/* ============================================================
   GRATIBAGS — PROFESSIONAL STYLESHEET
   Font: Enterprise Grid (Inter as web equivalent)
   ============================================================ */

/* ── CSS CUSTOM PROPERTIES ── */
:root {
  /* Enterprise Grid Font Stack */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  /* Brand Colors */
  --gold-50:  #fdf8ef;
  --gold-100: #f9eccc;
  --gold-200: #f0d48a;
  --gold-300: #e6b84d;
  --gold-400: #d4a020;
  --gold-500: #b7791f;
  --gold-600: #96631a;
  --gold-700: #744d15;
  --gold-800: #523710;
  --gold-900: #30200a;

  /* Neutrals */
  --gray-50:  #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Greens */
  --green-50:  #f0fdf4;
  --green-100: #dcfce7;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --green-700: #15803d;
  --green-800: #166534;

  /* Layout */
  --container-max: 1200px;
  --section-py: 100px;
  --header-h: 80px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 2px rgba(0,0,0,.05);
  --shadow-md:  0 4px 12px rgba(0,0,0,.08);
  --shadow-lg:  0 10px 30px rgba(0,0,0,.1);
  --shadow-xl:  0 20px 50px rgba(0,0,0,.12);
  --shadow-gold: 0 8px 30px rgba(183,121,31,.15);

  /* Transitions */
  --ease: cubic-bezier(.4,0,.2,1);
  --duration: .3s;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-700);
  background: #ffffff;
  overflow-x: hidden;
  margin: 0;
  padding: 0;
}

/* Remove any browser default margins */
html, body {
  max-width: 100%;
  overflow-x: hidden;
}

img { max-width:100%; height:auto; display:block; }
a { text-decoration:none; color:inherit; }
ul,ol { list-style:none; }
button { cursor:pointer; border:none; background:none; font-family:inherit; }
input,select,textarea { font-family:inherit; font-size:inherit; }

/* ── CONTAINER ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Full-width sections - remove any horizontal spacing */
section, .marquee, .cta, .footer {
  width: 100%;
  max-width: 100%;
  margin-left: 0;
  margin-right: 0;
}

/* ── UTILITIES ── */
.text-gold {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold-500);
  margin-bottom: 12px;
  position: relative;
  padding-left: 28px;
}
.section-tag::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 2px;
  background: var(--gold-500);
}

.section-title {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--gray-900);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 44px;
}
.section-header .section-tag { padding-left:0; }
.section-header .section-tag::before { display:none; }
.section-desc {
  font-size: 17px;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-primary);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  transition: all var(--duration) var(--ease);
  white-space: nowrap;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn--primary {
  background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
  color: #fff;
  border-color: var(--gold-500);
  box-shadow: 0 4px 16px rgba(183,121,31,.3);
}
.btn--primary:hover {
  background: linear-gradient(135deg, var(--gold-600), var(--gold-700));
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(183,121,31,.4);
}
.btn--outline {
  background: transparent;
  color: var(--gray-800);
  border-color: var(--gray-300);
}
.btn--outline:hover {
  border-color: var(--gold-500);
  color: var(--gold-600);
  background: var(--gold-50);
}
.btn--white {
  background: #fff;
  color: var(--gold-600);
  border-color: #fff;
}
.btn--white:hover {
  background: var(--gold-50);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,255,255,.3);
}
.btn--outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.4);
}
.btn--outline-white:hover {
  background: rgba(255,255,255,.1);
  border-color: #fff;
}
.btn--lg { padding: 16px 40px; font-size: 16px; }
.btn--full { width: 100%; }

/* ═══════════════════════════════════════════
   PRELOADER
   ═══════════════════════════════════════════ */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .6s var(--ease), visibility .6s;
}
.preloader.hide {
  opacity: 0;
  visibility: hidden;
}
.preloader__inner {
  text-align: center;
}
.preloader__logo {
  width: 140px;
  height: auto;
  margin-bottom: 20px;
  animation: preloaderPulse 1.5s ease-in-out infinite;
}
.preloader__bar {
  width: 200px;
  height: 3px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.preloader__progress {
  height: 100%;
  background: linear-gradient(90deg, var(--gold-400), var(--gold-600));
  border-radius: var(--radius-full);
  animation: preloaderBar 1.5s var(--ease) infinite;
}
@keyframes preloaderPulse {
  0%,100% { opacity:.6; transform:scale(1); }
  50% { opacity:1; transform:scale(1.05); }
}
@keyframes preloaderBar {
  0% { width:0; }
  50% { width:70%; }
  100% { width:100%; }
}

/* ═══════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: var(--gray-900);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: all var(--duration) var(--ease);
}
.header.scrolled {
  background: var(--gray-800);
  border-bottom-color: rgba(255,255,255,0.1);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  height: 68px;
}
.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.header__logo-img {
  height: 50px;
  width: auto;
  transition: height var(--duration) var(--ease);
  object-fit: contain;
}
.header.scrolled .header__logo-img {
  height: 40px;
}
.header__nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.header__nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-300);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  transition: all var(--duration) var(--ease);
}
.header__nav-link:hover,
.header__nav-link.active {
  color: var(--gold-400);
  background: rgba(255,255,255,0.1);
}
.header__cta {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-900);
  background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
  padding: 10px 24px;
  border-radius: var(--radius-full);
  transition: all var(--duration) var(--ease);
  box-shadow: 0 2px 10px rgba(183,121,31,.35);
}
.header__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(183,121,31,.5);
  background: linear-gradient(135deg, var(--gold-300), var(--gold-400));
}

/* Hamburger */
.header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
}
.header__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--gray-300);
  border-radius: 2px;
  transition: all var(--duration) var(--ease);
}
.header__toggle.open span:nth-child(1) { transform: rotate(45deg) translateY(5px) translateX(4px); }
.header__toggle.open span:nth-child(2) { opacity:0; }
.header__toggle.open span:nth-child(3) { transform: rotate(-45deg) translateY(-5px) translateX(4px); }

/* ═══════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════ */
.hero {
  padding: 110px 0 60px;
  background: linear-gradient(180deg, var(--gold-50) 0%, #fff 100%);
  overflow: hidden;
}
.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero__badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--green-700);
  background: var(--green-100);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}
.hero__title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  line-height: 1.1;
  color: var(--gray-900);
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero__subtitle {
  font-size: 18px;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 480px;
}
.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.hero__stats {
  display: flex;
  gap: 40px;
}
.hero__stat {
  display: flex;
  flex-direction: column;
}
.hero__stat strong {
  font-size: 28px;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.5px;
}
.hero__stat span {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-400);
  margin-top: 2px;
}

/* Hero Visual */
.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__image-wrapper {
  position: relative;
  width: 100%;
  max-width: 520px;
}
.hero__image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  object-fit: cover;
  position: relative;
  z-index: 2;
  animation: heroFloat 5s ease-in-out infinite;
}
.hero__image-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle, rgba(183,121,31,.12) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 1;
  animation: heroGlow 4s ease-in-out infinite alternate;
}
@keyframes heroFloat {
  0%,100% { transform:translateY(0); }
  50% { transform:translateY(-12px); }
}
@keyframes heroGlow {
  0% { opacity:.5; transform:scale(1); }
  100% { opacity:1; transform:scale(1.05); }
}

/* ═══════════════════════════════════════════
   MARQUEE
   ═══════════════════════════════════════════ */
.marquee {
  background: var(--gray-900);
  padding: 14px 0;
  overflow: hidden;
  width: 100%;
}
.marquee__track {
  display: flex;
  gap: 48px;
  animation: marqueeScroll 30s linear infinite;
  white-space: nowrap;
}
.marquee__track span {
  font-size: 14px;
  font-weight: 600;
  color: var(--gold-400);
  letter-spacing: 1px;
  text-transform: uppercase;
  flex-shrink: 0;
}
@keyframes marqueeScroll {
  0% { transform:translateX(0); }
  100% { transform:translateX(-50%); }
}

/* ═══════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════ */
.about {
  padding: 80px 0;
}
.about__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about__visual {
  position: relative;
}
.about__image-frame {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.about__image {
  width: 100%;
  height: 500px;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.about__image-frame:hover .about__image {
  transform: scale(1.04);
}
.about__experience-card {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 20px 28px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--gray-100);
}
.about__card-logo {
  width: 50px;
  height: auto;
  margin-bottom: 6px;
  object-fit: contain;
}
.about__experience-card strong {
  font-size: 32px;
  font-weight: 800;
  color: var(--gold-600);
  letter-spacing: -0.5px;
}
.about__experience-card span {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.about__content .section-title {
  margin-top: 4px;
}
.about__text {
  font-size: 16px;
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 16px;
}
.about__highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 32px;
}
.about__highlight {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.about__highlight-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--gold-50);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--gold-500);
}
.about__highlight-icon svg {
  width: 20px;
  height: 20px;
}
.about__highlight strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 2px;
}
.about__highlight span {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.4;
}

/* ═══════════════════════════════════════════
   PRODUCTS
   ═══════════════════════════════════════════ */
.products {
  padding: 80px 0;
  background: var(--gray-50);
}
.products__filter {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.products__filter-btn {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-500);
  padding: 10px 24px;
  border-radius: var(--radius-full);
  border: 1px solid var(--gray-200);
  background: #fff;
  transition: all var(--duration) var(--ease);
}
.products__filter-btn:hover {
  border-color: var(--gold-300);
  color: var(--gold-600);
}
.products__filter-btn.active {
  background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
  color: #fff;
  border-color: var(--gold-500);
  box-shadow: 0 2px 8px rgba(183,121,31,.25);
}
.products__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.product-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  transition: all var(--duration) var(--ease);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-200);
}
.product-card.hidden {
  display: none;
}
.product-card__visual {
  height: 160px;
  background: linear-gradient(135deg, var(--card-accent), color-mix(in srgb, var(--card-accent) 70%, white));
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card__icon {
  width: 64px;
  height: 64px;
  background: rgba(255,255,255,.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.product-card__icon svg {
  width: 28px;
  height: 28px;
}
.product-card__body {
  padding: 24px;
}
.product-card__tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gold-500);
  margin-bottom: 8px;
  display: block;
}
.product-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 8px;
}
.product-card__desc {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 16px;
}
.product-card__features {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.product-card__features li {
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-600);
  background: var(--gray-50);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  border: 1px solid var(--gray-100);
}

/* ═══════════════════════════════════════════
   SERVICES
   ═══════════════════════════════════════════ */
.services {
  padding: 80px 0;
}
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: all var(--duration) var(--ease);
  overflow: hidden;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gold-200);
}
.service-card__number {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 48px;
  font-weight: 900;
  color: var(--gray-50);
  line-height: 1;
  transition: color var(--duration) var(--ease);
}
.service-card:hover .service-card__number {
  color: var(--gold-50);
}
.service-card__icon {
  width: 52px;
  height: 52px;
  background: var(--gold-50);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-500);
  margin-bottom: 20px;
}
.service-card__icon svg {
  width: 24px;
  height: 24px;
}
.service-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 10px;
}
.service-card__desc {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   PROCESS
   ═══════════════════════════════════════════ */
.process {
  padding: 80px 0;
  background: var(--gray-900);
}
.process .section-tag { color: var(--gold-400); }
.process .section-tag::before { background: var(--gold-400); }
.process .section-title { color: #fff; }
.process .section-desc { color: var(--gray-400); }
.process__timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}
.process__step {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--duration) var(--ease);
}
.process__step:hover {
  background: rgba(255,255,255,.07);
  border-color: var(--gold-500);
  transform: translateY(-4px);
}
.process__step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  border-radius: 50%;
  margin-bottom: 20px;
}
.process__step-content h3 {
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}
.process__step-content p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   GALLERY — Enterprise-Grade Uniform Grid
   ═══════════════════════════════════════════ */
.gallery {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--gray-50) 0%, #fff 100%);
}

/* Enterprise 5-column uniform grid for 10 images (2 rows) */
.gallery__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.gallery__item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  background: var(--gray-100);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  transition: all var(--duration) var(--ease);
  /* Square aspect ratio for uniform, balanced look */
  aspect-ratio: 1 / 1;
}

.gallery__item:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-6px) scale(1.02);
  border-color: var(--gold-400);
  z-index: 10;
}

/* Image wrapper for proper positioning */
.gallery__img-wrapper {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, var(--gray-100), var(--gray-200));
  overflow: hidden;
}

/* Image fills container uniformly */
.gallery__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform .5s var(--ease);
}

.gallery__item:hover .gallery__img {
  transform: scale(1.1);
}

/* Gradient overlay for text legibility */
.gallery__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg, 
    transparent 0%,
    transparent 50%,
    rgba(0,0,0,.15) 70%,
    rgba(0,0,0,.75) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 16px;
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
}

.gallery__item:hover .gallery__overlay {
  opacity: 1;
}

.gallery__overlay span {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.3px;
  text-shadow: 0 2px 6px rgba(0,0,0,.4);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Image number badge — top right */
.gallery__item::before {
  content: attr(data-index);
  position: absolute;
  top: 12px;
  right: 12px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  color: var(--gray-800);
  font-size: 11px;
  font-weight: 700;
  line-height: 28px;
  text-align: center;
  z-index: 5;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity var(--duration) var(--ease), transform var(--duration) var(--ease);
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}

.gallery__item:hover::before {
  opacity: 1;
  transform: scale(1);
}

/* Zoom icon — center of card */
.gallery__item::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.6);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,.95);
  color: var(--gray-800);
  font-size: 20px;
  font-weight: 700;
  z-index: 5;
  opacity: 0;
  transition: opacity var(--duration) var(--ease), transform var(--duration) var(--ease);
  pointer-events: none;
  box-shadow: 0 4px 16px rgba(0,0,0,.2);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23374151' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='15 3 21 3 21 9'%3E%3C/polyline%3E%3Cpolyline points='9 21 3 21 3 15'%3E%3C/polyline%3E%3Cline x1='21' y1='3' x2='14' y2='10'%3E%3C/line%3E%3Cline x1='3' y1='21' x2='10' y2='14'%3E%3C/line%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 20px 20px;
}

.gallery__item:hover::after {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* ── Lightbox ── */
.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,.92);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s;
}
.gallery-lightbox.open {
  opacity: 1;
  visibility: visible;
}
.gallery-lightbox__img {
  max-width: 90vw;
  max-height: 90vh;
  width: auto;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(0,0,0,.6);
  transform: scale(0.9);
  transition: transform .3s var(--ease);
  object-fit: contain;
}
.gallery-lightbox.open .gallery-lightbox__img {
  transform: scale(1);
}
.gallery-lightbox__close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  color: #fff;
  font-size: 22px;
  line-height: 44px;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: background var(--duration) var(--ease);
  backdrop-filter: blur(8px);
}
.gallery-lightbox__close:hover {
  background: rgba(255,255,255,.3);
}
.gallery-lightbox__caption {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 15px;
  font-weight: 600;
  color: rgba(255,255,255,.85);
  background: rgba(0,0,0,.4);
  backdrop-filter: blur(8px);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.gallery-lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  color: #fff;
  font-size: 22px;
  line-height: 48px;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: background var(--duration) var(--ease);
  backdrop-filter: blur(8px);
}
.gallery-lightbox__nav:hover { background: rgba(255,255,255,.3); }
.gallery-lightbox__prev { left: 20px; }
.gallery-lightbox__next { right: 20px; }

/* ═══════════════════════════════════════════
   TESTIMONIALS
   ═══════════════════════════════════════════ */
.testimonials {
  padding: 80px 0;
  background: var(--gray-50);
}
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  border: 1px solid var(--gray-100);
  transition: all var(--duration) var(--ease);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.testimonial-card__stars {
  font-size: 16px;
  color: var(--gold-400);
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.testimonial-card__text {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: 24px;
  font-style: italic;
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.testimonial-card__author strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-800);
}
.testimonial-card__author span {
  font-size: 13px;
  color: var(--gray-400);
}

/* ═══════════════════════════════════════════
   CTA
   ═══════════════════════════════════════════ */
.cta {
  padding: 64px 0;
  background: linear-gradient(135deg, var(--gold-600), var(--gold-800));
  text-align: center;
  position: relative;
  overflow: hidden;
  width: 100%;
}
.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta__container {
  position: relative;
  z-index: 2;
}
.cta__logo {
  width: 100px;
  height: auto;
  margin: 0 auto 20px;
  filter: brightness(0) invert(1);
  object-fit: contain;
}
.cta__title {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.cta__text {
  font-size: 17px;
  color: rgba(255,255,255,.75);
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.7;
}
.cta__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ═══════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════ */
.contact {
  padding: 80px 0;
}
.contact__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: flex-start;
}
.contact__text {
  font-size: 16px;
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 32px;
}
.contact__details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.contact__detail {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact__detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--gold-50);
  color: var(--gold-500);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact__detail-icon svg {
  width: 20px;
  height: 20px;
}
.contact__detail strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 4px;
}
.contact__detail span {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.5;
}

/* Contact Form */
.contact__form-wrapper {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: 40px;
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-lg);
}
.contact__form-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 28px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-group {
  margin-bottom: 16px;
}
.form-row .form-group {
  margin-bottom: 0;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: 15px;
  color: var(--gray-800);
  background: var(--gray-50);
  transition: all var(--duration) var(--ease);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold-400);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(183,121,31,.1);
}
.form-group textarea {
  resize: vertical;
  min-height: 100px;
}
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.footer {
  background: var(--gray-900);
  padding: 56px 0 0;
  width: 100%;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer__logo {
  width: 120px;
  height: auto;
  margin-bottom: 14px;
  object-fit: contain;
}
.footer__tagline {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 280px;
}
.footer__social {
  display: flex;
  gap: 10px;
}
.footer__social-link {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  transition: all var(--duration) var(--ease);
}
.footer__social-link:hover {
  background: var(--gold-500);
  color: #fff;
}
.footer__social-link svg {
  width: 18px;
  height: 18px;
}
.footer__links h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}
.footer__links ul { display:flex; flex-direction:column; gap:10px; }
.footer__links a {
  font-size: 14px;
  color: var(--gray-400);
  transition: color var(--duration) var(--ease);
}
.footer__links a:hover {
  color: var(--gold-400);
}
.footer__bottom {
  padding: 20px 0;
  text-align: center;
}
.footer__bottom p {
  font-size: 13px;
  color: var(--gray-500);
  margin: 0;
}

/* ═══════════════════════════════════════════
   BACK TO TOP
   ═══════════════════════════════════════════ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold-500), var(--gold-600));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(183,121,31,.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--duration) var(--ease);
  z-index: 500;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(183,121,31,.4);
}
.back-to-top svg {
  width: 22px;
  height: 22px;
}

/* ═══════════════════════════════════════════
   SCROLL ANIMATIONS
   ═══════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════
   RESPONSIVE — TABLET (<=1024px)
   ═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .container { padding: 0 16px; }
  
  .hero { padding: 100px 0 50px; }
  .hero__container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }
  .hero__subtitle { margin-left:auto; margin-right:auto; }
  .hero__actions { justify-content:center; }
  .hero__stats { justify-content:center; }
  .hero__image-wrapper { max-width:380px; margin:0 auto; }

  .about { padding: 64px 0; }
  .about__container { grid-template-columns:1fr; gap:40px; }
  .about__visual { max-width:450px; margin:0 auto; }
  .about__experience-card { right:0; bottom:-16px; }

  .products { padding: 64px 0; }
  .products__grid { grid-template-columns:repeat(2, 1fr); }
  
  .services { padding: 64px 0; }
  .services__grid { grid-template-columns:repeat(2, 1fr); }
  
  .process { padding: 64px 0; }
  .process__timeline { grid-template-columns:repeat(2, 1fr); }
  
  .gallery { padding: 64px 0; }
  .gallery__grid { grid-template-columns: repeat(4, 1fr); gap: 16px; }
  
  .testimonials { padding: 64px 0; }
  .testimonials__grid { grid-template-columns:1fr; max-width:560px; margin:0 auto; }
  
  .contact { padding: 64px 0; }
  .contact__container { grid-template-columns:1fr; gap:40px; }
  
  .cta { padding: 56px 0; }
  
  .footer { padding: 48px 0 0; }
  .footer__top { grid-template-columns:1fr 1fr; gap:28px; }
}

/* ═══════════════════════════════════════════
   RESPONSIVE — MOBILE NAV (<=768px)
   ═══════════════════════════════════════════ */
@media (max-width: 768px) {
  .container { padding: 0 14px; }
  
  .header__toggle { display:flex; }
  .header__cta { display:none; }
  .header__logo-img { height: 44px; }
  .header.scrolled .header__logo-img { height: 38px; }
  .header__nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--gray-900);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s var(--ease);
  }
  .header__nav.open {
    max-height: 500px;
  }
  .header__nav-list {
    flex-direction: column;
    padding: 14px 20px;
    gap: 0;
  }
  .header__nav-link {
    display: block;
    padding: 10px 14px;
    font-size: 15px;
    border-radius: var(--radius-md);
    color: var(--gray-300);
  }
  .header__nav-link:hover,
  .header__nav-link.active {
    color: var(--gold-400);
    background: rgba(255,255,255,0.08);
  }

  .hero { padding: 100px 0 48px; }
  .hero__stats { gap: 20px; }
  .hero__stat strong { font-size: 22px; }
  .hero__title { margin-bottom: 16px; }
  .hero__subtitle { margin-bottom: 24px; }
  .hero__actions { margin-bottom: 28px; }

  .section-header { margin-bottom: 36px; }
  
  .about { padding: 56px 0; }
  .about__container { gap: 32px; }
  .about__image { height: 360px; }
  
  .products { padding: 56px 0; }
  .products__grid { grid-template-columns:1fr 1fr; gap: 16px; }
  .products__filter { margin-bottom: 32px; }
  
  .services { padding: 56px 0; }
  .services__grid { grid-template-columns:1fr; gap: 16px; }
  
  .process { padding: 56px 0; }
  .process__timeline { grid-template-columns:1fr; gap: 16px; }
  
  .gallery { padding: 56px 0; }
  .gallery__grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }

  .testimonials { padding: 56px 0; }
  
  .cta { padding: 48px 0; }
  .cta__logo { width: 90px; margin-bottom: 16px; }
  .cta__title { margin-bottom: 12px; }
  .cta__text { margin-bottom: 24px; }
  
  .contact { padding: 56px 0; }
  .about__highlights { grid-template-columns:1fr; }
  .form-row { grid-template-columns:1fr; }
  .contact__form-wrapper { padding: 24px; }
  
  .footer { padding: 40px 0 0; }
  .footer__top { grid-template-columns:1fr; text-align:center; gap: 24px; }
  .footer__logo { width: 100px; margin: 0 auto 12px; }
  .footer__tagline { margin:0 auto 16px; }
  .footer__social { justify-content:center; }
  .footer__bottom { padding: 16px 0; }
  
  .back-to-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }
}

/* ═══════════════════════════════════════════
   RESPONSIVE — SMALL MOBILE (<=480px)
   ═══════════════════════════════════════════ */
@media (max-width: 480px) {
  .container { padding: 0 12px; }

  .preloader__logo { width: 110px; }
  
  .header__logo-img { height: 40px; }
  .header.scrolled .header__logo-img { height: 34px; }

  .hero { padding: 90px 0 40px; }
  .hero__title { font-size: 28px; margin-bottom: 12px; }
  .hero__subtitle { font-size: 15px; margin-bottom: 20px; }
  .hero__badge { font-size: 12px; padding: 6px 14px; margin-bottom: 18px; }
  .hero__actions { flex-direction:column; gap: 10px; margin-bottom: 24px; }
  .hero__actions .btn { width:100%; text-align:center; padding: 12px 24px; }
  .hero__stats { flex-direction:column; gap: 10px; text-align:center; }
  .hero__stat strong { font-size: 20px; }
  .hero__stat span { font-size: 12px; }
  .hero__image-wrapper { max-width: 300px; }

  .section-tag { font-size: 12px; margin-bottom: 10px; }
  .section-title { font-size: 24px; margin-bottom: 12px; }
  .section-desc { font-size: 15px; }
  .section-header { margin-bottom: 28px; }
  
  .about { padding: 48px 0; }
  .about__image { height: 260px; }
  .about__experience-card { position:relative; bottom:auto; right:auto; margin-top: 14px; padding: 16px 22px; }
  .about__card-logo { width: 40px; }
  .about__experience-card strong { font-size: 26px; }
  .about__text { font-size: 15px; }
  
  .products { padding: 48px 0; }
  .products__filter { gap: 6px; margin-bottom: 24px; }
  .products__filter-btn { padding: 8px 16px; font-size: 13px; }
  .products__grid { grid-template-columns:1fr; gap: 14px; }
  .product-card__body { padding: 20px; }
  
  .services { padding: 48px 0; }
  .service-card { padding: 28px 24px; }
  
  .process { padding: 48px 0; }
  .process__step { padding: 24px 20px; }
  
  .gallery { padding: 48px 0; }
  .gallery__grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .gallery__item { border-radius: var(--radius-md); }
  .gallery__overlay { padding: 12px; }
  .gallery__overlay span { font-size: 11px; }
  .gallery__item::before { width: 24px; height: 24px; line-height: 24px; font-size: 10px; top: 8px; right: 8px; }
  .gallery__item::after { width: 36px; height: 36px; background-size: 16px 16px; }
  
  .testimonials { padding: 48px 0; }
  .testimonial-card { padding: 28px 24px; }
  
  .cta { padding: 40px 0; }
  .cta__logo { width: 80px; margin-bottom: 14px; }
  .cta__title { font-size: 22px; }
  .cta__text { font-size: 15px; margin-bottom: 20px; }
  .cta__actions { flex-direction:column; gap: 10px; }
  .cta__actions .btn { width:100%; padding: 12px 24px; }
  
  .contact { padding: 48px 0; }
  .contact__form-wrapper { padding: 20px; }
  .contact__form-title { font-size: 20px; margin-bottom: 22px; }
  
  .footer { padding: 36px 0 0; }
  .footer__logo { width: 90px; }
  .footer__links h4 { font-size: 14px; margin-bottom: 14px; }
  .footer__bottom { padding: 14px 0; }
  
  .back-to-top { bottom: 16px; right: 16px; width: 40px; height: 40px; }
}