:root {
  --ink: #13201f;
  --muted: #5d6b68;
  --line: #dfe7e2;
  --paper: #f7f5ef;
  --panel: #ffffff;
  --green: #0b6f58;
  --green-dark: #074b3d;
  --cyan: #20a7c9;
  --magenta: #cf3a7a;
  --yellow: #f2c84b;
  --shadow: 0 24px 60px rgba(25, 39, 36, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ── Header ── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto auto auto;
  align-items: center;
  gap: 28px;
  padding: 18px clamp(18px, 5vw, 64px);
  background: rgba(247, 245, 239, 0.92);
  border-bottom: 1px solid rgba(19, 32, 31, 0.08);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  white-space: nowrap;
}

.brand-logo {
  height: 72px;
  width: auto;
  animation: logoFlipBlur 8s ease-in-out infinite;
}

@keyframes logoFlipBlur {
  0% {
    transform: perspective(600px) rotateY(0deg);
    filter: blur(0px);
  }
  6.25% {
    transform: perspective(600px) rotateY(90deg);
    filter: blur(1.5px);
  }
  12.5% {
    transform: perspective(600px) rotateY(180deg);
    filter: blur(2px);
  }
  18.75% {
    transform: perspective(600px) rotateY(270deg);
    filter: blur(1.5px);
  }
  25% {
    transform: perspective(600px) rotateY(360deg);
    filter: blur(0px);
  }
  100% {
    transform: perspective(600px) rotateY(360deg);
    filter: blur(0px);
  }
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  color: #fff;
  background: var(--green);
  border-radius: 8px;
  font-size: 13px;
  letter-spacing: 0;
}

.nav {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 4vw, 42px);
  color: var(--muted);
  font-size: 15px;
}

.nav a:hover {
  color: var(--green);
}

.header-action,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.header-action,
.button.primary {
  color: #fff;
  background: var(--green);
}

.button.primary:hover,
.header-action:hover {
  background: var(--green-dark);
}

.button.secondary {
  color: var(--ink);
  border-color: var(--line);
  background: #fff;
}

.button.secondary:hover {
  border-color: var(--green);
  color: var(--green);
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.language-switcher button {
  min-width: 42px;
  height: 34px;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.language-switcher button[aria-pressed="true"] {
  color: #fff;
  background: var(--green);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.25s, opacity 0.25s;
}

.menu-button.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-button.active span:nth-child(2) {
  opacity: 0;
}

.menu-button.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ── Hero ── */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  align-items: center;
  gap: clamp(32px, 6vw, 84px);
  min-height: calc(100vh - 78px);
  padding: clamp(52px, 8vw, 96px) clamp(18px, 5vw, 72px) 42px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1, h2, h3, p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 22px;
  font-size: clamp(40px, 7vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.01em;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.06;
  letter-spacing: -0.01em;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  letter-spacing: -0.01em;
}

.hero-text,
.section-heading p,
.contact-section p {
  max-width: 680px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 560px;
  margin: 0;
  border-top: 1px solid var(--line);
}

.hero-stats div {
  padding: 18px 18px 0 0;
}

.hero-stats dt {
  font-size: 28px;
  font-weight: 800;
}

.hero-stats dd {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 14px;
}

/* ── Hero Visual / 3D Shelf ── */

.hero-visual {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid rgba(19, 32, 31, 0.08);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(11, 111, 88, 0.08), rgba(32, 167, 201, 0.07)),
    #eef2ed;
  box-shadow: var(--shadow);
}

.hero-visual::before {
  position: absolute;
  inset: 34px 34px auto auto;
  width: 120px;
  height: 120px;
  border: 18px solid rgba(11, 111, 88, 0.14);
  border-radius: 50%;
  content: "";
}

.visual-shelf {
  position: absolute;
  inset: auto 7% 10%;
  display: grid;
  grid-template-columns: 1.2fr 0.45fr 0.45fr 0.45fr 1.4fr;
  align-items: end;
  gap: 14px;
  min-height: 360px;
  padding: 24px;
  border-bottom: 18px solid rgba(19, 32, 31, 0.16);
}

.carton,
.cartridge,
.bottle {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(19, 32, 31, 0.14);
  box-shadow: 0 18px 28px rgba(19, 32, 31, 0.12);
}

/* Carton box */
.carton {
  height: 286px;
  padding: 22px;
  background: linear-gradient(145deg, #f7f7f2, #d9e0d9);
}

.carton::before {
  position: absolute;
  top: 0;
  left: 18%;
  width: 28%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35));
  content: "";
}

.carton span {
  font-size: 12px;
  font-weight: 800;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.carton strong {
  margin-top: 4px;
  font-size: 22px;
  line-height: 1.1;
}

.carton.tall {
  height: 320px;
}

/* Ink bottles */
.bottle {
  height: 172px;
  border-radius: 50% 50% 8px 8px;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.65);
}

.bottle span {
  font-size: 28px;
  font-weight: 800;
  margin-top: auto;
  margin-bottom: 18px;
}

.bottle.cyan span { color: var(--cyan); }
.bottle.magenta span { color: var(--magenta); }
.bottle.yellow span { color: var(--yellow); }

/* Cartridge / drum unit */
.cartridge {
  height: 210px;
  padding: 20px;
  border-radius: 8px 32px 8px 8px;
  background: linear-gradient(160deg, #fefefe, #e8eae5);
}

.cartridge span {
  font-size: 13px;
  font-weight: 800;
  color: var(--muted);
}

.cartridge strong {
  margin-top: 4px;
  font-size: 17px;
}

/* ── Trust Strip ── */

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-strip span {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  text-align: center;
  border-right: 1px solid var(--line);
}

.trust-strip span:last-child {
  border-right: 0;
}

/* ── Sections ── */

.section {
  padding: clamp(52px, 8vw, 100px) clamp(18px, 5vw, 72px);
}

.section-alt {
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-heading {
  margin-bottom: clamp(32px, 5vw, 56px);
}

/* ── Header Search (inline in nav bar) ── */

.header-search {
  position: relative;
  display: flex;
  align-items: center;
}

.header-search input {
  width: 180px;
  height: 34px;
  padding: 0 36px 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  font-size: 13px;
  color: var(--ink);
  caret-color: var(--green);
  outline: none;
  transition: width 0.3s ease, border-color 0.2s, box-shadow 0.2s;
}

.header-search input:focus {
  width: 240px;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(11, 111, 88, 0.12);
}

.header-search input::placeholder {
  color: var(--muted);
}

.header-search .home-search-icon {
  position: absolute;
  right: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s;
}

.header-search .home-search-icon:hover {
  color: var(--green);
}

/* ── Homepage Quick Search (products page) ── */

.home-search {
  position: relative;
  max-width: 480px;
  margin-top: 20px;
}
.home-search input {
  width: 100%;
  padding: 14px 44px 14px 16px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  color: var(--ink);
  background: #fff;
  outline: none;
  caret-color: var(--green);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.home-search input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(11,111,88,0.1);
}
.home-search input::placeholder {
  color: var(--muted);
}
.home-search-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s;
}
.home-search-icon:hover {
  color: var(--green);
}

/* ── Brand Product Cards ── */

.brand-product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 22px);
}

.brand-card {
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.brand-card:hover {
  border-color: var(--green);
  box-shadow: var(--shadow);
}

.brand-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 800;
  color: #fff;
  background: var(--green);
}

.brand-badge.hp { background: #0096d6; }
.brand-badge.canon { background: #c00; }
.brand-badge.brother { background: #1f3d7a; }
.brand-badge.samsung { background: #3c6eb5; }
.brand-badge.kyocera { background: #555; }

.brand-type {
  font-size: 12px;
  color: var(--muted);
}

.mini-products {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  min-height: 44px;
  align-items: flex-end;
}

.mini-toner {
  width: 36px;
  height: 44px;
  background: linear-gradient(180deg, #e8e8e0, #c4c9c0);
  border-radius: 4px 4px 2px 2px;
  border: 1px solid rgba(19, 32, 31, 0.1);
}

.mini-toner.dark {
  background: linear-gradient(180deg, #4a4a4a, #2a2a2a);
}

.mini-ink {
  width: 20px;
  height: 28px;
  border-radius: 50% 50% 5px 5px;
  border: 1px solid rgba(19, 32, 31, 0.1);
}

.mini-ink.cyan { background: #c0e8f5; }
.mini-ink.magenta { background: #f0c0d5; }

.mini-bottle {
  width: 18px;
  height: 32px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 50% 50% 6px 6px;
  border: 1px solid rgba(19, 32, 31, 0.15);
}

.mini-drum {
  width: 44px;
  height: 22px;
  background: linear-gradient(180deg, #e0e0e0, #b0b0b0);
  border-radius: 11px;
  border: 1px solid rgba(19, 32, 31, 0.1);
}

.mini-part {
  width: 24px;
  height: 24px;
  background: #d5d5d5;
  border-radius: 4px;
  border: 1px solid rgba(19, 32, 31, 0.1);
}

.mini-chip {
  width: 16px;
  height: 20px;
  background: #222;
  border-radius: 2px;
}

.mini-roller {
  width: 40px;
  height: 14px;
  background: linear-gradient(180deg, #ccc, #999);
  border-radius: 7px;
  border: 1px solid rgba(19, 32, 31, 0.15);
}

.brand-card-img {
  margin-bottom: 16px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg);
}

.brand-card-img img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  aspect-ratio: 1 / 1;
}

.model-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 14px 0;
}

.model-tags span {
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 20px;
  font-size: 12px;
  color: var(--muted);
  background: var(--paper);
}

.quote-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 800;
  color: var(--green);
  transition: gap 0.2s;
}

.quote-link::after {
  content: "→";
  font-size: 16px;
}

.quote-link:hover {
  gap: 10px;
}

/* ── Mobile Menu Search ── */

.mobile-search {
  display: none;
  position: relative;
  width: 100%;
}

.mobile-search input {
  width: 100%;
  height: 40px;
  padding: 0 36px 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-size: 14px;
  color: var(--ink);
  caret-color: var(--green);
  outline: none;
}

.mobile-search input:focus {
  border-color: var(--green);
}

.mobile-search input::placeholder {
  color: var(--muted);
}

.mobile-search-icon {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: var(--muted);
  cursor: pointer;
}

.mobile-search-icon:hover {
  color: var(--green);
}

/* ── Category Tabs (Option A: wide equal-width cards) ── */

.section-subheading {
  margin: 48px 0 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
}

.category-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 20px 0 40px;
}

.category-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 24px 22px;
  background: #fff;
  border: 1.5px solid var(--line);
  border-radius: 16px;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.3s ease,
              box-shadow 0.3s ease,
              background 0.3s ease;
  text-align: left;
}

.category-card:hover {
  box-shadow: 0 8px 30px rgba(19, 32, 31, 0.12);
}

.category-card.cat-toner:hover {
  border-color: var(--green);
  background: #f6fcf9;
}
.category-card.cat-ink:hover {
  border-color: var(--cyan);
  background: #f0f9fe;
}
.category-card.cat-drum:hover {
  border-color: var(--magenta);
  background: #fdf0f5;
}

.cat-icon-wrap {
  flex-shrink: 0;
  width: 60px;
  height: 68px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cat-toner .cat-icon-wrap {
  background: #eaf5ee;
}
.cat-ink .cat-icon-wrap {
  background: #e6f5fb;
}
.cat-drum .cat-icon-wrap {
  background: #fbeaf0;
}

.cat-icon-wrap svg {
  flex-shrink: 0;
}

.cat-card-body {
  flex: 1;
  min-width: 0;
}

.category-card h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.category-card p {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.45;
}

.cat-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 20px;
}
.cat-toner .cat-badge {
  background: #eaf5ee;
  color: var(--green);
}
.cat-ink .cat-badge {
  background: #e6f5fb;
  color: #0888aa;
}
.cat-drum .cat-badge {
  background: #fbeaf0;
  color: var(--magenta);
}

.cat-arrow {
  flex-shrink: 0;
  font-size: 22px;
  font-weight: 300;
  color: var(--line);
  transition: transform 0.3s ease, color 0.3s ease;
}
.category-card:hover .cat-arrow {
  transform: translateX(4px);
}
.cat-toner:hover .cat-arrow { color: var(--green); }
.cat-ink:hover .cat-arrow { color: var(--cyan); }
.cat-drum:hover .cat-arrow { color: var(--magenta); }

/* ── Advantages ── */

.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 22px);
}

.adv-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
}

.adv-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  color: var(--green);
}

.adv-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.adv-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

/* ── Process ── */

.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 22px);
  position: relative;
}

.process-timeline::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 12.5%;
  width: 75%;
  height: 1px;
  background: var(--line);
}

.process-step {
  position: relative;
  padding: 60px 0 0;
  text-align: center;
}

.step-num {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--green);
  border-radius: 50%;
  background: var(--paper);
  color: var(--green);
  font-size: 22px;
  font-weight: 800;
  z-index: 1;
}

.process-step h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.process-step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

/* ── About Us ── */

.about-content {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.about-text {
  color: var(--ink);
}

.about-lead {
  font-size: 20px;
  font-weight: 800;
  color: var(--green);
  margin-bottom: 16px;
}

.about-text p {
  margin-bottom: 16px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted);
}

.about-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
}

.about-card h3 {
  margin-bottom: 14px;
  font-size: 17px;
  color: var(--ink);
}

.about-card ul {
  margin: 0;
  padding: 0 0 0 18px;
  list-style: disc;
}

.about-card li {
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

/* ── About Us Responsive ── */

@media (max-width: 920px) {
  .about-content {
    grid-template-columns: 1fr;
  }
}

/* ── Category Tabs responsive ── */
@media (max-width: 720px) {
  .category-tabs {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .category-card {
    padding: 18px 16px;
    gap: 14px;
  }
  .cat-icon-wrap {
    width: 52px;
    height: 58px;
  }
  .category-card h3 {
    font-size: 15px;
  }
  .category-card p {
    font-size: 12px;
  }
}

/* ── Contact ── */

.contact-section {
  padding: clamp(52px, 8vw, 100px) clamp(18px, 5vw, 72px);
  background: var(--ink);
  color: #fff;
}

.contact-section .eyebrow {
  color: rgba(255, 255, 255, 0.6);
}

.contact-section h2 {
  color: #fff;
}

.contact-section .contact-info > p {
  color: rgba(255, 255, 255, 0.7);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 480px);
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}

.contact-methods {
  display: flex;
  gap: 24px;
  margin: 28px 0;
  flex-wrap: wrap;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
}

.contact-method svg {
  opacity: 0.7;
}

.contact-email-link {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.85);
  transition: color 0.2s;
}

.contact-email-link:hover {
  color: #f2c84b;
}

.contact-location {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 28px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.contact-form label span {
  font-size: 12px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font: inherit;
  font-size: 15px;
  transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--green);
  background: rgba(255, 255, 255, 0.14);
}

.contact-form select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%23fff' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  appearance: none;
}

.contact-form select option {
  color: var(--ink);
  background: #fff;
}

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

.contact-form .button.primary {
  padding: 14px 24px;
  font-size: 15px;
}

.form-note {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  margin: 0;
  text-align: center;
}

.form-note.success {
  color: #5dcb9c;
}

.form-note.error {
  color: #f09595;
}

/* ── Footer ── */

.site-footer {
  padding: clamp(32px, 5vw, 56px) clamp(18px, 5vw, 72px) 24px;
  background: #0a1615;
  color: rgba(255, 255, 255, 0.55);
}

.footer-main {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 28px;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.8);
}

.footer-brand .brand-logo-footer {
  height: 56px;
  width: auto;
  opacity: 0.85;
}

.footer-brand .brand-mark {
  width: 30px;
  height: 30px;
  font-size: 11px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 14px;
  transition: color 0.2s;
}

.footer-links a:hover,
.site-footer a:hover {
  color: var(--green);
}

.footer-brands {
  margin-left: auto;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-brands span {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.footer-bottom p {
  margin: 0;
  font-size: 13px;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-bottom a:hover {
  color: #f2c84b;
}

/* ── Responsive ── */

@media (max-width: 1080px) {
  .brand-product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .adv-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-timeline::before {
    display: none;
  }

  .process-step {
    text-align: left;
    padding: 0 0 0 70px;
    margin-bottom: 28px;
  }

  .step-num {
    left: 0;
    transform: none;
  }
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: auto 1fr auto auto;
  }

  .nav,
  .header-action {
    display: none;
  }

  .header-search {
    display: none;
  }

  .nav.open .mobile-search {
    display: flex;
    margin-top: 8px;
    margin-bottom: 4px;
  }

  .menu-button {
    display: flex;
  }

  .nav.open {
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 20px clamp(18px, 5vw, 64px);
    background: rgba(247, 245, 239, 0.98);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
  }

  .nav.open a {
    font-size: 17px;
    padding: 4px 0;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-visual {
    min-height: 360px;
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

  .trust-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .trust-strip span:nth-child(2) {
    border-right: 0;
  }

  .footer-main {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-brands {
    margin-left: 0;
  }
}

@media (max-width: 620px) {
  .brand-product-grid {
    grid-template-columns: 1fr;
  }

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

  .process-timeline {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }

  .trust-strip {
    grid-template-columns: 1fr;
  }

  .trust-strip span {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-strip span:last-child {
    border-bottom: 0;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .visual-shelf {
    gap: 8px;
    padding: 16px;
  }

  .carton {
    height: 200px !important;
    padding: 14px;
  }

  .carton strong {
    font-size: 16px;
  }

  .bottle {
    height: 120px;
  }

  .bottle span {
    font-size: 20px;
  }

  .cartridge {
    height: 150px;
    padding: 14px;
  }
}

/* ====== WhatsApp Float Button ====== */

.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 800;
  width: 56px;
  height: 56px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.4);
  transition: transform 0.25s, box-shadow 0.25s;
  cursor: pointer;
  text-decoration: none;
}
.whatsapp-float svg {
  width: 28px;
  height: 28px;
}
.whatsapp-float:hover {
  transform: scale(1.12);
  box-shadow: 0 6px 24px rgba(37,211,102,0.55);
}

@media (max-width: 620px) {
  .whatsapp-float {
    bottom: 20px;
    right: 16px;
    width: 48px;
    height: 48px;
  }
  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }
}

/* ====== Back to Top Button ====== */

.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 100px;
  z-index: 9999;
  width: 48px;
  height: 48px;
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 3px 12px rgba(11,111,88,0.35);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s, background 0.2s;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: #095a47;
  box-shadow: 0 6px 20px rgba(11,111,88,0.45);
}

@media (max-width: 620px) {
  .back-to-top {
    bottom: 20px;
    right: 78px;
    width: 40px;
    height: 40px;
  }
}

/* ====== Lightbox (Product Image Zoom) ====== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(13, 20, 19, 0.92);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 40px 60px;
}

.lightbox-inner img {
  max-width: 85vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 12px 48px rgba(0,0,0,0.5);
}

#lightbox-caption {
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-align: center;
  opacity: 0.85;
  margin: 0;
}

.lightbox-close {
  position: fixed;
  top: 20px;
  right: 24px;
  z-index: 10001;
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  font-size: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  line-height: 1;
}
.lightbox-close:hover {
  background: rgba(255,255,255,0.3);
}

.lightbox-prev,
.lightbox-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10001;
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  font-size: 36px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  line-height: 1;
}
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }
.lightbox-prev:hover,
.lightbox-next:hover {
  background: rgba(255,255,255,0.3);
}

@media (max-width: 640px) {
  .lightbox-inner {
    padding: 40px 40px;
  }
  .lightbox-prev,
  .lightbox-next {
    width: 40px;
    height: 40px;
    font-size: 28px;
  }
  .lightbox-prev { left: 8px; }
  .lightbox-next { right: 8px; }
  .lightbox-close {
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    font-size: 26px;
  }
}