/* ============================================================
   BAZARGANI AMIR MOHAMMAD LAHOUTI
   Stylesheet — Industrial copper & forest theme, RTL
   ============================================================ */

/* ------------------------------------------------------------
   1. DESIGN TOKENS
   ------------------------------------------------------------ */
:root {
  --forest-950: #0D1F17;
  --forest-900: #14291E;
  --forest-800: #1F3D2B;
  --forest-700: #2A5240;
  --forest-600: #3A6B54;

  --copper-600: #A85F2A;
  --copper-500: #C77B3E;
  --copper-400: #D89B62;
  --copper-300: #EBC39A;
  --copper-200: #F4DCC0;

  --cream:      #FAF6F0;
  --sand:       #F2EADD;
  --sand-dark:  #E6DBC8;

  --ink:        #1A2620;
  --ink-muted:  #5C6D63;
  --ink-soft:   #8A968D;
  --line:       #E2D8C6;

  --danger:     #C24A3B;
  --success:    #2E7D5B;

  --container: 1220px;
  --header-h: 78px;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  --shadow-sm: 0 2px 6px rgba(20, 41, 30, .05);
  --shadow:    0 12px 32px rgba(20, 41, 30, .09);
  --shadow-lg: 0 28px 60px rgba(20, 41, 30, .16);

  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur: .35s;
}

/* ------------------------------------------------------------
   2. RESET & BASE
   ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Vazirmatn', system-ui, -apple-system, 'Segoe UI', Tahoma, sans-serif;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
  background: var(--cream);
  overflow-x: hidden;
  font-feature-settings: "ss01";
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg,
    var(--copper-500), var(--copper-400) 40%, var(--copper-500) 100%);
  z-index: 200;
  pointer-events: none;
}

img, svg { display: block; max-width: 100%; }
img { height: auto; }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; }
ul, ol { list-style: none; }

::selection { background: var(--copper-400); color: var(--forest-900); }

:focus-visible {
  outline: 3px solid var(--copper-500);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  top: -100px;
  right: 16px;
  z-index: 999;
  padding: 10px 18px;
  background: var(--forest-800);
  color: #fff;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 3px; }

/* ------------------------------------------------------------
   3. LAYOUT UTILITIES
   ------------------------------------------------------------ */
.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.section {
  padding: clamp(72px, 9vw, 130px) 0;
  position: relative;
}

.section-index {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--copper-600);
  margin-bottom: 16px;
}
.section-index::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--copper-500);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -.015em;
  color: var(--forest-900);
}

.section__desc {
  margin-top: 16px;
  color: var(--ink-muted);
  font-size: 1.02rem;
  line-height: 2;
}

/* ------------------------------------------------------------
   4. BUTTONS
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-weight: 700;
  font-size: .95rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  transition: transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              background var(--dur) var(--ease),
              color var(--dur) var(--ease),
              border-color var(--dur) var(--ease);
  white-space: nowrap;
  will-change: transform;
}
.btn svg { transition: transform var(--dur) var(--ease); }
.btn:hover svg { transform: translateX(-3px); }

.btn--solid {
  background: var(--forest-800);
  color: #fff;
  box-shadow: 0 10px 24px rgba(20, 41, 30, .24);
}
.btn--solid:hover {
  background: var(--forest-700);
  transform: translateY(-3px);
  box-shadow: 0 16px 34px rgba(20, 41, 30, .32);
}

.btn--outline {
  background: transparent;
  border-color: var(--forest-800);
  color: var(--forest-800);
}
.btn--outline:hover {
  background: var(--forest-800);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(20, 41, 30, .22);
}

.btn--sm { padding: 10px 22px; font-size: .88rem; }

/* ------------------------------------------------------------
   5. HEADER
   ------------------------------------------------------------ */
.site-header {
  position: fixed;
  top: 3px;
  right: 0;
  left: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(250, 246, 240, .78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled {
  background: rgba(250, 246, 240, .96);
  border-bottom-color: var(--line);
  box-shadow: 0 6px 26px rgba(20, 41, 30, .07);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand__mark {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  color: var(--forest-800);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.brand:hover .brand__mark { color: var(--copper-500); transform: rotate(15deg); }
.brand__mark svg { width: 100%; height: 100%; }

.brand__text { display: flex; flex-direction: column; line-height: 1.3; }
.brand__text strong {
  font-size: .95rem;
  font-weight: 800;
  color: var(--forest-900);
  white-space: nowrap;
}
.brand__text small {
  font-size: .68rem;
  color: var(--ink-soft);
  letter-spacing: .02em;
  direction: ltr;
  text-align: right;
}
.brand--light .brand__mark { color: var(--copper-400); }
.brand--light .brand__text strong { color: #fff; }
.brand--light .brand__text small { color: rgba(255, 255, 255, .55); }

.nav ul { display: flex; align-items: center; gap: 4px; }
.nav-link {
  position: relative;
  display: block;
  padding: 10px 18px;
  font-size: .95rem;
  font-weight: 600;
  color: var(--ink-muted);
  border-radius: 999px;
  transition: color var(--dur) var(--ease);
}
.nav-link::after {
  content: "";
  position: absolute;
  bottom: 6px;
  right: 50%;
  transform: translateX(50%) scaleX(0);
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--copper-500);
  transition: transform var(--dur) var(--ease);
}
.nav-link:hover { color: var(--forest-900); }
.nav-link.is-active { color: var(--forest-900); }
.nav-link.is-active::after { transform: translateX(50%) scaleX(1); }

.header-actions { display: flex; align-items: center; gap: 12px; }

.burger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.burger span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--forest-800);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ------------------------------------------------------------
   6. HERO
   ------------------------------------------------------------ */
.hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(48px, 6vw, 90px)) 0 clamp(72px, 8vw, 120px);
  overflow: hidden;
  background: var(--cream);
}

.hero__decor { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.dot-grid {
  position: absolute;
  top: 90px;
  right: 4%;
  width: 180px;
  height: 180px;
  background-image: radial-gradient(circle, rgba(199, 123, 62, .35) 1.6px, transparent 2px);
  background-size: 16px 16px;
  opacity: .8;
}
.ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px dashed var(--copper-300);
  opacity: .6;
}
.ring--1 { width: 320px; height: 320px; bottom: -110px; left: -80px; animation: spin 60s linear infinite; }
.ring--2 { width: 160px; height: 160px; top: 120px; left: 8%; animation: spin 40s linear infinite reverse; }
@keyframes spin { to { transform: rotate(360deg); } }

.hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--forest-800);
  background: var(--sand);
  border: 1px solid var(--line);
  padding: 7px 18px;
  border-radius: 999px;
}
.eyebrow__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--copper-500);
  box-shadow: 0 0 0 3px rgba(199, 123, 62, .22);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(199, 123, 62, .22); }
  50%      { box-shadow: 0 0 0 7px rgba(199, 123, 62, .08); }
}

.hero__title {
  font-size: clamp(1.9rem, 4.6vw, 3.3rem);
  font-weight: 900;
  line-height: 1.32;
  letter-spacing: -.02em;
  color: var(--forest-950);
  margin: 22px 0 22px;
}
.hero__title-accent {
  position: relative;
  display: inline-block;
  color: var(--copper-600);
}
.hero__title-accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 12px;
  background: linear-gradient(90deg, var(--copper-300), transparent);
  border-radius: 8px;
  z-index: -1;
  opacity: .7;
}

.hero__text {
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  color: var(--ink-muted);
  max-width: 54ch;
  line-height: 2.05;
}

.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 56px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.hero__metrics li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
}
.hero__metrics li + li::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  right: -4px;
  width: 1px;
  background: var(--line);
}
.hero__metrics strong {
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  font-weight: 900;
  color: var(--forest-800);
  letter-spacing: -.02em;
  line-height: 1.1;
}
.hero__metrics span { font-size: .8rem; color: var(--ink-muted); }

.hero__visual { position: relative; padding-inline-end: 20px; }

.hero__visual-frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  clip-path: polygon(0 0, 84% 0, 100% 14%, 100% 100%, 0 100%);
  transform: rotate(-1.2deg);
  transition: transform .6s var(--ease);
}
.hero__visual:hover .hero__visual-frame { transform: rotate(0deg); }

.hero__visual-frame img {
  width: 100%;
  aspect-ratio: 9 / 11;
  object-fit: cover;
  display: block;
}

.hero__visual::before {
  content: "";
  position: absolute;
  inset: 24px -14px -14px 24px;
  border-radius: var(--radius-xl);
  border: 2px solid var(--copper-400);
  z-index: -1;
  transition: inset var(--dur) var(--ease);
}
.hero__visual:hover::before { inset: 12px -6px -6px 12px; }

.hero__badge {
  position: absolute;
  bottom: 22px;
  left: -12px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px 14px 18px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  animation: floatY 5s ease-in-out infinite;
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-9px); }
}

.hero__badge-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--sand);
  color: var(--copper-600);
  flex-shrink: 0;
}
.hero__badge-text { display: flex; flex-direction: column; line-height: 1.35; }
.hero__badge-text strong { font-size: .92rem; color: var(--forest-900); }
.hero__badge-text small { font-size: .76rem; color: var(--ink-soft); }

/* ------------------------------------------------------------
   7. ABOUT
   ------------------------------------------------------------ */
.about { background: #fff; position: relative; }
.about::before {
  content: "";
  position: absolute;
  top: 0; right: 0; left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}

.about__grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(36px, 6vw, 88px);
  align-items: center;
}

.about__visual { position: relative; }
.about__visual img {
  width: 100%;
  aspect-ratio: 8 / 9;
  object-fit: cover;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  clip-path: polygon(0 6%, 100% 0, 100% 100%, 0 94%);
}
.about__visual-stamp {
  position: absolute;
  top: -18px;
  left: -18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 20px 26px;
  background: var(--forest-800);
  color: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
  transform: rotate(-4deg);
}
.about__visual-stamp strong {
  font-size: 1.7rem;
  font-weight: 900;
  line-height: 1;
  color: var(--copper-300);
}
.about__visual-stamp span { font-size: .76rem; color: rgba(255, 255, 255, .78); }

.about__text { margin-top: 20px; color: var(--ink-muted); line-height: 2.05; }

.about__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 24px;
  margin: 36px 0 34px;
  padding-top: 30px;
  border-top: 1px dashed var(--line);
}

.about-item { display: flex; gap: 14px; align-items: flex-start; }
.about-item__num {
  flex-shrink: 0;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--copper-500);
  letter-spacing: -.02em;
  line-height: 1.3;
  border-bottom: 2px solid var(--copper-300);
  padding-bottom: 2px;
}
.about-item strong {
  display: block;
  font-size: .95rem;
  font-weight: 700;
  color: var(--forest-900);
  margin-bottom: 3px;
}
.about-item small { font-size: .82rem; color: var(--ink-muted); line-height: 1.75; }

/* ------------------------------------------------------------
   8. PRODUCTS — HORIZONTAL SLIDER
   ------------------------------------------------------------ */
.products {
  background: var(--sand);
  position: relative;
  overflow: hidden;
}
.products::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 280px;
  height: 280px;
  background-image: radial-gradient(circle, rgba(31, 61, 43, .12) 1.4px, transparent 2px);
  background-size: 20px 20px;
  pointer-events: none;
}

.products__head {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(24px, 5vw, 64px);
  align-items: end;
  margin-bottom: clamp(36px, 5vw, 56px);
}
.products__head .section__desc { margin-top: 0; }

.product-tabs {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 40px;
  padding: 6px;
  background: rgba(255, 255, 255, .6);
  border: 1px solid var(--line);
  border-radius: 999px;
  width: fit-content;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}
.product-tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  position: relative;
  padding: 11px 22px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--ink-muted);
  border-radius: 999px;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.tab-btn:hover { color: var(--forest-900); }
.tab-btn.is-active {
  color: #fff;
  background: var(--forest-800);
  box-shadow: 0 6px 16px rgba(20, 41, 30, .22);
}

/* --- Slider wrapper --- */
.product-slider {
  position: relative;
  padding: 0 68px;
}

/* --- Scrollable track --- */
.product-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
  scroll-snap-type: x proximity;
  scroll-padding-inline: 4px;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 10px 4px 28px;
  cursor: grab;
  -webkit-overflow-scrolling: touch;
}
.product-track::-webkit-scrollbar { display: none; }
.product-track:active { cursor: grabbing; }
.product-track:focus-visible {
  outline: 3px solid var(--copper-500);
  outline-offset: 4px;
  border-radius: var(--radius);
}

.product-track .product-card {
  flex: 0 0 clamp(260px, 30vw, 320px);
  scroll-snap-align: start;
}

/* --- Card --- */
.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  transition: transform .4s var(--ease),
              box-shadow .4s var(--ease),
              border-color .4s var(--ease);
  animation: cardIn .55s var(--ease) both;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--copper-400);
  box-shadow: var(--shadow-lg);
}

.product-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--sand);
}
.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.product-card:hover .product-card__media img { transform: scale(1.08); }

.product-card__ribbon {
  position: absolute;
  top: 14px;
  right: -6px;
  padding: 6px 16px 6px 20px;
  font-size: .72rem;
  font-weight: 700;
  color: #fff;
  background: var(--forest-800);
  border-radius: 6px 0 0 6px;
  box-shadow: 0 4px 12px rgba(20, 41, 30, .28);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 8% 50%);
}

.product-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 22px 22px 20px;
}

.product-card__title {
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--forest-900);
  letter-spacing: -.01em;
  margin-bottom: 8px;
}

.product-card__desc {
  font-size: .87rem;
  color: var(--ink-muted);
  line-height: 1.9;
  flex: 1;
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

.product-card__grade {
  font-size: .74rem;
  color: var(--ink-soft);
  line-height: 1.5;
}
.product-card__grade strong {
  display: block;
  font-size: .85rem;
  font-weight: 700;
  color: var(--copper-600);
}

.product-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .84rem;
  font-weight: 700;
  color: var(--forest-800);
  transition: gap var(--dur) var(--ease), color var(--dur) var(--ease);
}
.product-card__link:hover { color: var(--copper-600); gap: 10px; }

/* --- Arrows --- */
.slider-arrow {
  position: absolute;
  top: calc(50% - 20px);
  transform: translateY(-50%);
  z-index: 4;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  background: #fff;
  color: var(--forest-800);
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow: var(--shadow);
  transition: background var(--dur) var(--ease),
              color var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              transform var(--dur) var(--ease),
              opacity var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.slider-arrow--prev { right: 4px; }
.slider-arrow--next { left: 4px; }

.slider-arrow:hover:not(:disabled) {
  background: var(--forest-800);
  color: var(--copper-300);
  border-color: var(--forest-800);
  transform: translateY(-50%) scale(1.07);
  box-shadow: 0 18px 34px rgba(20, 41, 30, .22);
}
.slider-arrow:active:not(:disabled) { transform: translateY(-50%) scale(.98); }

.slider-arrow:disabled {
  opacity: .32;
  cursor: not-allowed;
  box-shadow: var(--shadow-sm);
}

/* --- Progress bar --- */
.slider-progress {
  position: relative;
  height: 3px;
  background: rgba(31, 61, 43, .1);
  border-radius: 3px;
  margin-top: 10px;
  overflow: hidden;
}
.slider-progress__bar {
  position: absolute;
  top: 0;
  right: 0;
  width: 22%;
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--copper-400), var(--copper-600));
  transition: right .28s var(--ease);
  will-change: right;
}

.product-empty {
  text-align: center;
  color: var(--ink-muted);
  padding: 48px 0;
  font-size: 1rem;
}

/* ------------------------------------------------------------
   9. CONTACT
   ------------------------------------------------------------ */
.contact { background: #fff; position: relative; }

.contact__head {
  max-width: 680px;
  margin: 0 auto clamp(44px, 5vw, 68px);
  text-align: center;
}
.contact__head .section-index { justify-content: center; }
.contact__head .section-index::after {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--copper-500);
  border-radius: 2px;
}

.contact__grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.contact__info { display: grid; gap: 14px; }

.info-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px;
  background: var(--sand);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              background var(--dur) var(--ease);
}
.info-card:hover {
  transform: translateX(-6px);
  background: #fff;
  border-color: var(--copper-400);
  box-shadow: var(--shadow);
}

.info-card__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--forest-800);
  color: var(--copper-300);
  flex-shrink: 0;
  transition: background var(--dur) var(--ease);
}
.info-card:hover .info-card__icon {
  background: var(--copper-500);
  color: #fff;
}

.info-card__body strong {
  display: block;
  font-size: .92rem;
  font-weight: 700;
  color: var(--forest-900);
  margin-bottom: 4px;
}
.info-card__body p { font-size: .87rem; color: var(--ink-muted); line-height: 1.85; }
.info-card__body a:hover { color: var(--copper-600); }

.form {
  padding: clamp(24px, 3vw, 38px);
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

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

.field { position: relative; margin-bottom: 20px; }

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 22px 16px 10px;
  font-size: .93rem;
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              background var(--dur) var(--ease);
  line-height: 1.6;
}
.field textarea { min-height: 120px; resize: vertical; padding-top: 26px; }

.field label {
  position: absolute;
  top: 15px;
  right: 16px;
  font-size: .93rem;
  font-weight: 500;
  color: var(--ink-soft);
  pointer-events: none;
  transition: top .22s var(--ease),
              font-size .22s var(--ease),
              color .22s var(--ease),
              font-weight .22s var(--ease);
}
.field label span { color: var(--danger); }

.field__label--static {
  top: 6px !important;
  font-size: .72rem !important;
  font-weight: 700 !important;
  color: var(--copper-600) !important;
}

.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label {
  top: 6px;
  font-size: .72rem;
  font-weight: 700;
  color: var(--copper-600);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--copper-500);
  box-shadow: 0 0 0 4px rgba(199, 123, 62, .14);
}

.field__error {
  position: absolute;
  bottom: -20px;
  right: 4px;
  font-size: .76rem;
  color: var(--danger);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}
.field.is-invalid .field__error { opacity: 1; }
.field.is-invalid input,
.field.is-invalid select,
.field.is-invalid textarea { border-color: var(--danger); background: #FFF6F5; }

.form__submit { width: 100%; margin-top: 12px; }

.form__success {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding: 16px 20px;
  background: rgba(46, 125, 91, .09);
  border: 1px solid rgba(46, 125, 91, .28);
  border-radius: var(--radius-sm);
  color: #1F5A42;
  font-size: .88rem;
  line-height: 1.8;
  animation: cardIn .4s var(--ease) both;
}
.form__success-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--success);
  color: #fff;
  flex-shrink: 0;
}

/* ------------------------------------------------------------
   10. SOCIAL MEDIA (Contact)
   ------------------------------------------------------------ */
.contact__social {
  margin-top: 36px;
  padding: 28px 24px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.contact__social-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--forest-900);
  margin-bottom: 20px;
  text-align: center;
}
.social-list {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}
.social-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: .9rem;
  font-weight: 700;
  color: #fff;
  border: 1.5px solid transparent;
  transition: transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease),
              background var(--dur) var(--ease);
  will-change: transform;
}
.social-link:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.social-link svg { flex-shrink: 0; }
.social-link span { direction: ltr; }

.social-link--instagram {
  background: linear-gradient(135deg, #f092b0, #c6447c 50%, #812968);
}
.social-link--whatsapp {
  background: #25D366;
}
.social-link--telegram {
  background: #0088cc;
}

/* ------------------------------------------------------------
   10. FOOTER
   ------------------------------------------------------------ */
.site-footer {
  background: var(--forest-900);
  color: rgba(255, 255, 255, .7);
  padding: clamp(52px, 6vw, 88px) 0 0;
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  bottom: -140px;
  left: -140px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(199, 123, 62, .22), transparent 68%);
  filter: blur(70px);
  pointer-events: none;
}

.footer__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: clamp(26px, 4vw, 56px);
  padding-bottom: 52px;
}

.footer__col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer__col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 34px;
  height: 2.5px;
  border-radius: 2px;
  background: var(--copper-500);
}

.footer__about { margin-top: 20px; font-size: .87rem; line-height: 2.05; max-width: 42ch; }

.footer__col ul { display: grid; gap: 10px; }
.footer__col ul a {
  font-size: .88rem;
  color: rgba(255, 255, 255, .68);
  transition: color var(--dur) var(--ease), padding var(--dur) var(--ease);
}
.footer__col ul a:hover { color: var(--copper-300); padding-right: 6px; }
.footer__contact li { font-size: .87rem; line-height: 1.95; }

.footer__bottom {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: .82rem;
  color: rgba(255, 255, 255, .5);
}

/* ------------------------------------------------------------
   11. BACK TO TOP
   ------------------------------------------------------------ */
.to-top {
  position: fixed;
  bottom: 26px;
  left: 26px;
  z-index: 90;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  background: var(--forest-800);
  color: var(--copper-300);
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all var(--dur) var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { transform: translateY(-4px); background: var(--copper-500); color: #fff; }

/* ------------------------------------------------------------
   12. REVEAL ANIMATIONS
   ------------------------------------------------------------ */
/* Default: visible if JS is not running (no-js safety) */
.reveal {
  opacity: 1;
  transform: none;
}

/* When JS is confirmed running, apply the hidden start state */
.js .reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  will-change: opacity, transform;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  will-change: auto;
}

.reveal--d1 { transition-delay: .1s; }
.reveal--d2 { transition-delay: .2s; }
.reveal--d3 { transition-delay: .3s; }
.reveal--d4 { transition-delay: .4s; }

/* ------------------------------------------------------------
   13. RESPONSIVE
   ------------------------------------------------------------ */
@media (max-width: 1080px) {
  .hero__grid,
  .about__grid,
  .contact__grid { grid-template-columns: 1fr; }

  .hero__visual { max-width: 520px; margin-inline: auto; }
  .hero__visual-frame { clip-path: polygon(0 0, 92% 0, 100% 9%, 100% 100%, 0 100%); }

  .about__visual { order: -1; max-width: 520px; margin-inline: auto; }
  .about__visual-stamp { top: 12px; left: 12px; }

  .footer__grid { grid-template-columns: 1fr 1fr; }
  .products__head { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 900px) {
  :root { --header-h: 70px; }
  .burger { display: flex; }

  .nav {
    position: fixed;
    top: calc(var(--header-h) + 3px);
    right: 0;
    left: 0;
    background: rgba(250, 246, 240, .98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px rgba(20, 41, 30, .1);
    padding: 16px 20px 26px;
    transform: translateY(-140%);
    opacity: 0;
    visibility: hidden;
    transition: transform .4s var(--ease), opacity .3s var(--ease), visibility .3s;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav ul { flex-direction: column; align-items: stretch; gap: 4px; }
  .nav-link { padding: 14px 16px; border-radius: var(--radius-sm); font-size: 1rem; }
  .nav-link::after { display: none; }
  .nav-link.is-active { background: var(--sand); color: var(--forest-900); }
}

@media (max-width: 720px) {
  .container { width: min(100% - 1.75rem, var(--container)); }
  .brand__text small { display: none; }
  .brand__text strong { font-size: .85rem; white-space: normal; }
  .hero { padding-top: calc(var(--header-h) + 42px); }

  .hero__metrics { grid-template-columns: repeat(2, 1fr); gap: 20px 12px; }
  .hero__metrics li + li::before { display: none; }

  .hero__badge { position: static; margin-top: 20px; animation: none; }
  .hero__visual::before { display: none; }

  .about__list { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 34px; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .to-top { bottom: 16px; left: 16px; width: 44px; height: 44px; }

  .product-slider { padding: 0; }
  .slider-arrow { display: none; }
  .slider-progress { margin-top: 14px; }
  .product-track .product-card { flex: 0 0 78%; }
}

@media (max-width: 440px) {
  .btn { width: 100%; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .header-actions .btn { display: none; }
  .product-tabs { border-radius: var(--radius); }
  .product-track .product-card { flex: 0 0 86%; }
}

/* ------------------------------------------------------------
   14. REDUCED MOTION
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .ring, .hero__badge { animation: none !important; }
  .product-track { scroll-behavior: auto; scroll-snap-type: none; }
}

/* ------------------------------------------------------------
   15. PRINT
   ------------------------------------------------------------ */
@media print {
  .site-header, .to-top, .hero__decor, .burger, .slider-arrow { display: none !important; }
  body::before { display: none; }
  body { color: #000; background: #fff; }
  .section { padding: 24px 0; }
  .product-slider { padding: 0; }
  .product-track { display: grid; grid-template-columns: repeat(3, 1fr); overflow: visible; }
  .product-track .product-card { flex: none; }
}