/* ============================================
   PT NUSA DESA TROPIKA — Premium Design System
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  /* Colors */
  --forest: #183A32;
  --forest-dark: #0F2A24;
  --wood: #A87545;
  --wood-light: #C99A6B;
  --ivory: #F6F3EC;
  --ivory-dark: #EDE8DD;
  --dark: #17211E;
  --text: #26302D;
  --text-light: #5A6662;
  --sand: #D9C7AA;
  --white: #FFFFFF;
  --border: rgba(38, 48, 45, 0.12);
  --border-light: rgba(255, 255, 255, 0.15);

  /* Typography */
  --font-body: 'Manrope', sans-serif;
  --font-display: 'Cormorant Garamond', serif;

  /* Spacing */
  --section-pad: clamp(80px, 10vw, 140px);
  --container: 1280px;
  --gutter: clamp(20px, 4vw, 48px);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur: 0.5s;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(23, 33, 30, 0.06);
  --shadow-md: 0 8px 30px rgba(23, 33, 30, 0.1);
  --shadow-lg: 0 20px 60px rgba(23, 33, 30, 0.15);
}

/* ---------- Reset ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--ivory);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--dur) var(--ease);
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- Container ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  color: var(--dark);
  letter-spacing: -0.01em;
}

.section-title {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  margin-bottom: 1.5rem;
}

.section-title.display {
  font-size: clamp(2.6rem, 5.5vw, 4.5rem);
}

.section-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text-light);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}

.text-accent {
  color: var(--wood);
  font-style: italic;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.section-header .section-title {
  margin-bottom: 1rem;
}

/* ---------- Sections ---------- */
.section {
  padding: var(--section-pad) 0;
  position: relative;
}

.section-dark {
  background: var(--forest);
  color: var(--ivory);
}

.section-dark .section-title {
  color: var(--ivory);
}

.section-dark .section-subtitle {
  color: rgba(246, 243, 236, 0.75);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 2.2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: all var(--dur) var(--ease);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-100%);
  transition: transform 0.6s var(--ease-out);
}

.btn:hover::after {
  transform: translateX(0);
}

.btn-primary {
  background: var(--wood);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--wood-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  border: 1px solid var(--forest);
  color: var(--forest);
  background: transparent;
}

.btn-outline:hover {
  background: var(--forest);
  color: var(--ivory);
}

.btn-outline-light {
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--white);
  background: transparent;
}

.btn-outline-light:hover {
  background: var(--white);
  color: var(--forest);
  border-color: var(--white);
}

.btn-sm {
  padding: 0.6rem 1.4rem;
  font-size: 0.8rem;
}

.btn-full {
  width: 100%;
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.4s var(--ease);
  padding: 1.2rem 0;
}

.header.scrolled {
  background: rgba(246, 243, 236, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  padding: 0.7rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.logo-img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--wood);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ivory);
  letter-spacing: 0.02em;
  transition: color var(--dur) var(--ease);
}

.header.scrolled .logo-text {
  color: var(--dark);
}

/* Nav */
.nav-list {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: rgba(246, 243, 236, 0.85);
  position: relative;
  padding: 0.3rem 0;
  transition: color var(--dur) var(--ease);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--wood);
  transition: width 0.4s var(--ease-out);
}

.nav-link:hover {
  color: var(--white);
}

.nav-link:hover::after {
  width: 100%;
}

.header.scrolled .nav-link {
  color: var(--text);
}

.header.scrolled .nav-link:hover {
  color: var(--wood);
}

/* Header actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.lang-btn {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(246, 243, 236, 0.6);
  transition: color var(--dur) var(--ease);
  padding: 0.2rem 0.3rem;
}

.lang-btn:hover {
  color: var(--white);
}

.lang-btn.active {
  color: var(--wood);
}

.lang-divider {
  color: rgba(246, 243, 236, 0.3);
  font-size: 0.8rem;
}

.header.scrolled .lang-btn {
  color: var(--text-light);
}

.header.scrolled .lang-btn:hover {
  color: var(--wood);
}

.header.scrolled .lang-btn.active {
  color: var(--wood);
}

.header.scrolled .lang-divider {
  color: var(--border);
}

.header-cta {
  display: inline-flex;
  border-color: rgba(246, 243, 236, 0.5);
  color: var(--ivory);
}

.header-cta:hover {
  background: var(--ivory);
  color: var(--forest);
  border-color: var(--ivory);
}

.header.scrolled .header-cta {
  border-color: var(--forest);
  color: var(--forest);
}

.header.scrolled .header-cta:hover {
  background: var(--forest);
  color: var(--ivory);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ivory);
  transition: all 0.3s var(--ease);
}

.header.scrolled .hamburger span {
  background: var(--dark);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.05);
  animation: heroZoom 8s var(--ease-out) forwards;
}

@keyframes heroZoom {
  from { transform: scale(1.08); }
  to { transform: scale(1); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(23, 33, 30, 0.55) 0%,
    rgba(23, 33, 30, 0.35) 40%,
    rgba(23, 33, 30, 0.6) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 120px;
  padding-bottom: 80px;
  max-width: 900px;
}

.hero-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--sand);
  margin-bottom: 1.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid rgba(217, 199, 170, 0.3);
  border-radius: 2px;
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  color: var(--white);
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.hero-title-accent {
  color: var(--sand);
  font-style: italic;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: rgba(246, 243, 236, 0.85);
  max-width: 620px;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--sand), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.5; transform: scaleY(0.8); }
}

/* ---------- Image Frames ---------- */
.img-frame {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
}

.img-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(23, 33, 30, 0.1), transparent 40%);
  pointer-events: none;
}

.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

.img-frame:hover img {
  transform: scale(1.05);
}

.img-frame-large {
  aspect-ratio: 4/5;
}

.img-frame-wide {
  aspect-ratio: 16/9;
}

.img-frame-tall {
  aspect-ratio: 3/4;
}

/* ---------- Statement ---------- */
.statement-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}

.statement-text .section-title {
  margin-bottom: 2rem;
}

.statement-body {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  color: var(--text-light);
  line-height: 1.9;
  max-width: 520px;
}

.statement-image .img-frame {
  aspect-ratio: 4/5;
  max-height: 600px;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.about-image {
  position: relative;
  padding-bottom: 4rem;
}

.about-image .img-frame-large {
  aspect-ratio: 3/4;
  max-height: 650px;
}

.about-image-secondary {
  position: absolute;
  bottom: 0;
  right: -2rem;
  width: 55%;
  border: 8px solid var(--forest);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-image-secondary img {
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}

.about-content .section-title {
  color: var(--ivory);
  margin-bottom: 1.5rem;
}

.about-text {
  color: rgba(246, 243, 236, 0.8);
  font-size: 1.05rem;
  line-height: 1.9;
  margin-bottom: 3rem;
}

.about-approach {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sand);
  margin-bottom: 2rem;
}

.approach-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.approach-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.approach-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.approach-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--wood);
  font-style: italic;
  flex-shrink: 0;
  min-width: 3rem;
}

.approach-item h4 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ivory);
  margin-bottom: 0.3rem;
}

.approach-item p {
  font-size: 0.9rem;
  color: rgba(246, 243, 236, 0.65);
  line-height: 1.7;
}

/* ---------- Products ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.product-card {
  background: var(--white);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.5s var(--ease);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.product-card .img-frame {
  aspect-ratio: 1/1;
}

.product-card .img-frame::after {
  background: linear-gradient(to top, rgba(23, 33, 30, 0.2), transparent 50%);
}

.product-info {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.product-info h3 {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark);
}

.product-info p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
  flex: 1;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--wood);
  transition: gap 0.3s var(--ease);
}

.product-link:hover {
  gap: 0.8rem;
  color: var(--forest);
}

/* ---------- Manufacturing ---------- */
.manufacturing-visual {
  margin-bottom: clamp(3rem, 5vw, 5rem);
}

.manufacturing-visual .img-frame {
  aspect-ratio: 21/9;
  max-height: 500px;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.process-item {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  transition: all 0.5s var(--ease);
}

.process-item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}

.process-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-style: italic;
  color: var(--wood);
  display: block;
  margin-bottom: 1rem;
}

.process-item h3 {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ivory);
  margin-bottom: 0.5rem;
}

.process-item p {
  font-size: 0.9rem;
  color: rgba(246, 243, 236, 0.65);
  line-height: 1.7;
}

/* ---------- Sustainability ---------- */
.sustainability-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}

.sustainability-image .img-frame {
  aspect-ratio: 3/4;
  max-height: 600px;
}

.sustainability-content .section-title {
  margin-bottom: 1.5rem;
}

.sustainability-text {
  font-size: 1.05rem;
  color: var(--text-light);
  line-height: 1.9;
  margin-bottom: 2.5rem;
  max-width: 520px;
}

.sustainability-points {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sustainability-point {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: var(--white);
  border-radius: 4px;
  box-shadow: var(--shadow-sm);
  transition: all 0.4s var(--ease);
}

.sustainability-point:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.sustainability-point-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ivory-dark);
  border-radius: 50%;
  color: var(--wood);
  font-size: 1.2rem;
}

.sustainability-point h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.3rem;
}

.sustainability-point p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ---------- Gallery ---------- */
.gallery-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.gallery-filter {
  padding: 0.5rem 1.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-light);
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}

.gallery-filter:hover {
  border-color: var(--wood);
  color: var(--wood);
}

.gallery-filter.active {
  background: var(--forest);
  color: var(--ivory);
  border-color: var(--forest);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 280px;
  gap: 1rem;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  cursor: pointer;
}

.gallery-item.tall {
  grid-row: span 2;
}

.gallery-item.wide {
  grid-column: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(23, 33, 30, 0.7), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem;
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-caption {
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 500;
  transform: translateY(10px);
  transition: transform 0.4s var(--ease);
}

.gallery-item:hover .gallery-item-caption {
  transform: translateY(0);
}

.gallery-item-child-name {
  display: inline-block;
  margin-top: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--sand);
  background: rgba(23, 33, 30, 0.45);
  border: 1px solid rgba(217, 199, 170, 0.3);
  border-radius: 2px;
  padding: 0.25rem 0.6rem;
  transform: translateY(10px);
  transition: transform 0.4s var(--ease);
}

.gallery-item:hover .gallery-item-child-name {
  transform: translateY(0);
}

.child-name-badge {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  z-index: 2;
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--sand);
  background: rgba(23, 33, 30, 0.55);
  border: 1px solid rgba(217, 199, 170, 0.35);
  border-radius: 2px;
  padding: 0.35rem 0.75rem;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  pointer-events: none;
}

/* ---------- B2B CTA ---------- */
.b2b {
  background: var(--forest);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.b2b::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(168, 117, 69, 0.15), transparent 70%);
  pointer-events: none;
}

.b2b-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.b2b-title {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  color: var(--ivory);
  margin-bottom: 1.5rem;
}

.b2b-text {
  font-size: 1.1rem;
  color: rgba(246, 243, 236, 0.8);
  margin-bottom: 2.5rem;
}

.b2b-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.contact-info .section-title {
  margin-bottom: 2.5rem;
}

.contact-company {
  margin-bottom: 2rem;
}

.contact-company h3 {
  font-family: var(--font-body);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--dark);
}

.contact-office {
  margin-bottom: 2rem;
  padding-left: 1.5rem;
  border-left: 2px solid var(--wood);
}

.contact-office h4 {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--wood);
  margin-bottom: 0.5rem;
}

.contact-office p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.8;
}

/* Form */
.contact-form-wrap {
  background: var(--white);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-radius: 4px;
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--dark);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--ivory);
  border: 1px solid transparent;
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--wood);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(168, 117, 69, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #9AA5A1;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-message {
  margin-top: 1rem;
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  border-radius: 2px;
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(24, 58, 50, 0.1);
  color: var(--forest);
}

.form-message.error {
  display: block;
  background: rgba(200, 60, 60, 0.1);
  color: #C83C3C;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--dark);
  color: rgba(246, 243, 236, 0.7);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border-light);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.footer-logo-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--wood);
}

.footer-logo span {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ivory);
}

.footer-tagline {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1rem;
  max-width: 320px;
}

.footer-statement {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--sand);
  line-height: 1.6;
}

.footer h4 {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ivory);
  margin-bottom: 1.25rem;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: rgba(246, 243, 236, 0.6);
  transition: color 0.3s var(--ease);
}

.footer-links a:hover {
  color: var(--wood);
}

.footer-office {
  font-size: 0.9rem;
  line-height: 1.8;
  margin-bottom: 0.5rem;
}

.footer-extra-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 2rem 0 0;
}

.footer-extra-logo {
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer-extra-logo img {
  max-width: 150px;
  height: auto;
  opacity: 0.9;
}

.footer-bottom {
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(246, 243, 236, 0.4);
}

/* ---------- Product Modal ---------- */
.product-modal {
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(23, 33, 30, 0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 3vw, 2.5rem);
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s var(--ease);
  overflow-y: auto;
}

.product-modal.active {
  opacity: 1;
  visibility: visible;
}

.product-modal-content {
  background: var(--ivory);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  max-width: 1000px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(30px) scale(0.98);
  transition: transform 0.4s var(--ease-out);
}

.product-modal.active .product-modal-content {
  transform: translateY(0) scale(1);
}

.product-modal-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 300;
  line-height: 1;
  color: var(--text-light);
  background: var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  z-index: 2;
  transition: all 0.3s var(--ease);
}

.product-modal-close:hover {
  color: var(--wood);
  transform: rotate(90deg);
}

.product-modal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.product-modal-image {
  position: relative;
  overflow: hidden;
  border-radius: 8px 0 0 8px;
  background: var(--ivory-dark);
}

.product-modal-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(23, 33, 30, 0.1), transparent 40%);
  pointer-events: none;
}

.product-modal-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  min-height: 100%;
}

.product-modal-info {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.product-modal-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--dark);
  margin-bottom: 0.25rem;
}

.product-modal-info h4 {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--wood);
  margin-bottom: 0.5rem;
}

.product-modal-info p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.8;
}

.product-modal-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0.5rem 0;
}

.product-modal-meta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.product-modal-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.product-modal-meta-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-light);
}

.product-modal-meta-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--forest);
}

.product-modal-size-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.product-modal-size-list li {
  font-size: 0.95rem;
  color: var(--text);
  position: relative;
  padding-left: 1rem;
}

.product-modal-size-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--wood);
}

.product-modal-cta {
  margin-top: auto;
  width: 100%;
  justify-content: center;
}

/* ---------- WhatsApp Floating Button ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 1500;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
  transition: all 0.3s var(--ease);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.45);
  background: #1EBE5A;
}

.whatsapp-float::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.5);
  animation: waPulse 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes waPulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(23, 33, 30, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s var(--ease);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: var(--shadow-lg);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  color: var(--ivory);
  font-size: 2rem;
  transition: color 0.3s var(--ease);
  z-index: 1;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  color: var(--wood);
}

.lightbox-close {
  top: 1.5rem;
  right: 2rem;
  font-size: 2.5rem;
}

.lightbox-prev {
  left: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-caption {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--ivory);
  font-size: 0.9rem;
  text-align: center;
  max-width: 80%;
}

/* ---------- Reveal Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.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; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid,
  .sustainability-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-image {
    max-width: 500px;
  }

  .about-image-secondary {
    right: 0;
  }

  .statement-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .statement-image .img-frame {
    max-height: 450px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .product-modal-grid {
    grid-template-columns: 1fr;
  }

  .product-modal-image {
    border-radius: 8px 8px 0 0;
  }

  .product-modal-image .product-modal-img {
    max-height: 350px;
  }
}

@media (max-width: 768px) {
  .header-cta {
    display: none;
  }

  .product-modal {
    padding: 1rem;
  }

  .product-modal-content {
    max-height: 92vh;
  }

  .whatsapp-float {
    bottom: 1rem;
    right: 1rem;
    width: 50px;
    height: 50px;
  }

  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }

  .hamburger {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: var(--forest);
    padding: 6rem 2rem 2rem;
    transition: right 0.5s var(--ease-out);
    z-index: 1000;
  }

  .nav.active {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .nav-link {
    font-size: 1.1rem;
    color: var(--ivory);
  }

  .nav-link:hover {
    color: var(--wood);
  }

  .header.scrolled .nav-link {
    color: var(--ivory);
  }

  .header.scrolled .nav-link:hover {
    color: var(--wood);
  }

  .hero-title {
    font-size: clamp(2.4rem, 8vw, 3.5rem);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .process-grid {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 240px;
  }

  .gallery-item.wide {
    grid-column: span 1;
  }

  .gallery-item.tall {
    grid-row: span 1;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: 1;
  }

  .b2b-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .b2b-buttons .btn {
    width: 100%;
  }

  .manufacturing-visual .img-frame {
    aspect-ratio: 4/3;
  }

  .about-image-secondary {
    width: 65%;
  }
}

@media (max-width: 480px) {
  .logo-text {
    font-size: 1rem;
  }

  .logo-img {
    width: 36px;
    height: 36px;
  }

  .hero-label {
    font-size: 0.65rem;
    letter-spacing: 0.15em;
  }

  .section-title {
    font-size: 2rem;
  }

  .section-title.display {
    font-size: 2.4rem;
  }

  .approach-item {
    gap: 1rem;
  }

  .approach-num {
    font-size: 1.2rem;
    min-width: 2.5rem;
  }

  .gallery-filters {
    gap: 0.5rem;
  }

  .gallery-filter {
    padding: 0.4rem 1rem;
    font-size: 0.7rem;
  }

  .lightbox-prev {
    left: 0.75rem;
  }

  .lightbox-next {
    right: 0.75rem;
  }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}