/* ============================================================
   NIKHIL HARDWARE — Premium Industrial Static Website
   HTML5 / CSS3 / Vanilla JS — no frameworks
   ============================================================ */

/* ---------- Design Tokens ---------- */
:root {
  --navy: #0b1526;
  --navy-800: #0e1d33;
  --navy-700: #142c4e;
  --navy-600: #1a3a60;
  --ink: #101a2b;
  --ink-soft: #2a3648;
  --muted: #5a6675;
  --muted-light: #8a94a3;
  --line: #e4e8ef;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --accent: #ff6a1f;
  --accent-dark: #e6550c;
  --accent-soft: rgba(255, 106, 31, 0.12);
  --whatsapp: #25d366;
  --whatsapp-dark: #1eb55a;

  --font-head: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  --radius: 18px;
  --radius-lg: 24px;
  --radius-sm: 12px;

  --shadow-sm: 0 2px 10px rgba(11, 21, 38, 0.06);
  --shadow-md: 0 12px 30px rgba(11, 21, 38, 0.1);
  --shadow-lg: 0 24px 60px rgba(11, 21, 38, 0.14);
  --shadow-accent: 0 12px 28px rgba(230, 85, 12, 0.32);

  --container: 1180px;
  --header-h: 78px;
  --radius-pill: 999px;
}

/* ---------- Reset ---------- */
*,
*::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: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  font: inherit;
  border: 0;
  background: none;
  cursor: pointer;
  color: inherit;
}

input {
  font: inherit;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--navy);
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

::selection {
  background: var(--accent);
  color: #fff;
}

.container {
  width: min(var(--container), 100% - 48px);
  margin-inline: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  background: var(--accent);
  color: #fff;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 600;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 22px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  white-space: nowrap;
  transition: transform 0.2s ease, box-shadow 0.25s ease, background-color 0.25s ease,
    border-color 0.25s ease, color 0.25s ease;
  will-change: transform;
}

.btn svg {
  flex: 0 0 auto;
}

.btn-lg {
  padding: 16px 28px;
  font-size: 1.02rem;
}

.btn-sm {
  padding: 11px 16px;
  font-size: 0.9rem;
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
}

.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.32);
}

.btn-whatsapp:hover {
  background: var(--whatsapp-dark);
  transform: translateY(-2px);
}

.btn-whatsapp-lg {
  background: linear-gradient(135deg, #2dd96f, var(--whatsapp));
  color: #062b13;
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp-lg:hover {
  transform: translateY(-2px);
  filter: brightness(1.04);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(4px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

.btn-ghost-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.35);
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-outline {
  background: var(--accent-soft);
  color: var(--accent-dark);
  border: 1.5px solid rgba(230, 85, 12, 0.35);
}

.btn-outline:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.btn-white {
  background: #fff;
  color: var(--navy);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.25);
}

.btn-white:hover {
  transform: translateY(-2px);
  background: var(--accent);
  color: #fff;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  height: var(--header-h);
  background: rgba(11, 21, 38, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.site-header.scrolled {
  background: rgba(11, 21, 38, 0.98);
  box-shadow: 0 10px 30px rgba(4, 8, 16, 0.35);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 1 auto;
  min-width: 0;
}

.brand-mark {
  display: inline-flex;
  flex: 0 0 auto;
  filter: drop-shadow(0 6px 12px rgba(255, 106, 31, 0.35));
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  min-width: 0;
}

.brand-name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.06rem;
  letter-spacing: 0.04em;
  color: #fff;
  white-space: nowrap;
}

.brand-tag {
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 10px 14px;
  font-size: 0.93rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.78);
  border-radius: 10px;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2.5px;
  border-radius: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav-link:hover {
  color: #fff;
}

.nav-link:hover::after,
.nav-link.active {
  transform: scaleX(1);
}

.nav-link.active {
  color: #fff;
}

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

.nav-call-mobile {
  display: none;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  color: #fff;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  transition: background 0.2s ease;
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.16);
}

.icon-close {
  display: none;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--navy);
  color: #fff;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 60% 30%, #000 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 70% at 60% 30%, #000 30%, transparent 75%);
}

.hero-glow {
  position: absolute;
  right: -8%;
  top: -18%;
  width: 60%;
  height: 80%;
  background: radial-gradient(circle, rgba(255, 106, 31, 0.28), transparent 62%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
  padding-block: 88px 130px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255, 106, 31, 0.12);
  border: 1px solid rgba(255, 106, 31, 0.45);
  color: #ffb48a;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(255, 106, 31, 0.25);
}

.hero-title {
  margin-top: 22px;
  font-size: clamp(2.25rem, 5vw, 3.7rem);
  line-height: 1.06;
  color: #fff;
}

.hero-title .accent {
  color: var(--accent);
  position: relative;
  white-space: nowrap;
}

.hero-title .accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 0.14em;
  background: rgba(255, 106, 31, 0.35);
  border-radius: 4px;
  z-index: -1;
}

.hero-sub {
  margin-top: 22px;
  max-width: 540px;
  font-size: 1.09rem;
  color: rgba(255, 255, 255, 0.74);
}

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

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin-top: 30px;
}

.hero-points li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
}

.hero-points svg {
  color: var(--accent);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-visual img {
  width: 100%;
  max-width: 540px;
  height: auto;
  filter: drop-shadow(0 40px 80px rgba(0, 0, 0, 0.45));
  border-radius: var(--radius-lg);
}

/* ---------- Trust Bar ---------- */
.trust {
  position: relative;
  z-index: 5;
  margin-top: -72px;
  padding-bottom: 64px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
  overflow: hidden;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 30px 20px;
  text-align: center;
  position: relative;
}

.trust-item + .trust-item {
  border-left: 1px solid var(--line);
}

.trust-value {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.7rem;
  color: var(--navy);
  line-height: 1.1;
}

.trust-star {
  color: #ffb400;
}

.trust-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Sections ---------- */
.section {
  padding-block: 96px;
}

.section-head {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
  margin-bottom: 52px;
}

.section-head.align-left {
  margin-inline: 0;
  text-align: left;
}

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.85rem, 3.4vw, 2.6rem);
}

.section-sub {
  margin-top: 16px;
  font-size: 1.05rem;
  color: var(--muted);
}

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

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 34px 30px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  overflow: hidden;
}

.product-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), #ff9a52);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(230, 85, 12, 0.25);
}

.product-card:hover::before {
  transform: scaleX(1);
}

.product-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  border-radius: 16px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  margin-bottom: 22px;
  transition: background 0.3s ease, color 0.3s ease, transform 0.3s ease;
}

.product-card:hover .product-icon {
  background: var(--accent);
  color: #fff;
  transform: rotate(-6deg) scale(1.05);
}

.product-name {
  font-size: 1.28rem;
  margin-bottom: 10px;
}

.product-desc {
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 26px;
  flex: 1;
}

/* ---------- Inquiry ---------- */
.inquiry {
  position: relative;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-800) 100%);
  color: #fff;
  overflow: hidden;
}

.inquiry::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 0%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 80% at 50% 0%, #000 20%, transparent 75%);
}

.inquiry-card {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
}

.inquiry .eyebrow {
  color: #ffb48a;
}

.inquiry .section-title {
  color: #fff;
}

.inquiry .section-sub {
  color: rgba(255, 255, 255, 0.72);
}

.inquiry-form {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  max-width: 640px;
  margin: 0 auto;
}

.inquiry-field {
  flex: 1;
  text-align: left;
}

.inquiry-field input {
  width: 100%;
  padding: 16px 22px;
  border-radius: var(--radius-pill);
  border: 2px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 1rem;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.inquiry-field input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.inquiry-field input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.12);
}

.inquiry-field input.has-error {
  border-color: #ff5252;
}

.field-error {
  min-height: 18px;
  margin-top: 8px;
  padding-left: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #ff8a8a;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 64px;
  align-items: center;
}

.about-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.about-card-stack {
  position: relative;
  width: min(100%, 460px);
  aspect-ratio: 4 / 4.4;
  background: linear-gradient(160deg, var(--navy-700), var(--navy));
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-card-stack::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 26px 26px;
}

.about-card-stack::after {
  content: "";
  position: absolute;
  right: -30%;
  bottom: -30%;
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, rgba(255, 106, 31, 0.3), transparent 65%);
}

.about-plate {
  position: relative;
  z-index: 1;
  display: inline-flex;
  padding: 22px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(6px);
  animation: floatPlate 5s ease-in-out infinite;
}

@keyframes floatPlate {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.about-chip {
  position: absolute;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 16px;
  background: var(--surface);
  color: var(--accent-dark);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--line);
  animation: floatChip 6s ease-in-out infinite;
}

.chip-tools {
  top: 12%;
  left: -8%;
}

.chip-paint {
  top: 18%;
  right: -6%;
  animation-delay: -2s;
}

.chip-flask {
  bottom: 16%;
  left: -4%;
  animation-delay: -3.5s;
}

@keyframes floatChip {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(4deg); }
}

.about-copy {
  padding: 10px 0;
}

.about-text {
  margin-top: 18px;
  font-size: 1.02rem;
  color: var(--ink-soft);
}

.about-list {
  margin-top: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-list li {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--ink);
}

.about-list svg {
  color: var(--accent);
  flex: 0 0 auto;
}

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

/* ---------- Why Us ---------- */
.why {
  background: var(--surface);
}

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

.why-card {
  padding: 34px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--bg);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.why-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(230, 85, 12, 0.3);
}

.why-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: var(--navy);
  color: var(--accent);
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, background 0.3s ease;
}

.why-card:hover .why-icon {
  transform: scale(1.08) rotate(-5deg);
  background: var(--accent);
  color: #fff;
}

.why-title {
  font-size: 1.18rem;
  margin-bottom: 8px;
}

.why-desc {
  font-size: 0.94rem;
  color: var(--muted);
}

/* ---------- Location ---------- */
.location-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: stretch;
}

.location-card,
.map-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.location-card {
  padding: 44px 40px;
}

.map-card {
  display: flex;
  position: relative;
  overflow: hidden;
  background: linear-gradient(155deg, var(--navy-700), var(--navy));
  border-color: rgba(255, 255, 255, 0.08);
}

.map-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1.2px, transparent 1.2px);
  background-size: 22px 22px;
}

.map-link {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
  color: #fff;
  padding: 40px 24px;
  transition: background 0.3s ease;
}

.map-link:hover {
  background: rgba(255, 106, 31, 0.08);
}

.map-link svg {
  color: var(--accent);
  filter: drop-shadow(0 10px 20px rgba(255, 106, 31, 0.4));
  animation: floatChip 4s ease-in-out infinite;
}

.map-label {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
}

.map-name {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
}

.location-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 30px;
}

.location-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.location-list strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.02rem;
  color: var(--navy);
}

.location-list a {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--accent-dark);
  transition: color 0.2s ease;
}

.location-list a:hover {
  color: var(--accent);
}

.location-sub {
  font-size: 0.9rem;
  color: var(--muted);
}

.location-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  flex: 0 0 auto;
}

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

/* ---------- Contact CTA ---------- */
.cta {
  background: linear-gradient(170deg, var(--navy) 0%, var(--navy-800) 100%);
  padding-block: 110px;
}

.cta-card {
  position: relative;
  max-width: 860px;
  margin-inline: auto;
  text-align: center;
  padding: 64px 48px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(155deg, rgba(20, 44, 78, 0.6), rgba(11, 21, 38, 0.4));
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: -60%;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 120%;
  background: radial-gradient(ellipse, rgba(255, 106, 31, 0.35), transparent 65%);
  pointer-events: none;
}

.cta-title {
  position: relative;
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  color: #fff;
}

.cta-sub {
  position: relative;
  margin-top: 16px;
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.72);
}

.cta-actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 36px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #081020;
  color: rgba(255, 255, 255, 0.75);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-block: 64px 48px;
}

.footer-brand .brand-name {
  font-size: 1rem;
}

.footer-about {
  margin-top: 18px;
  max-width: 320px;
  font-size: 0.93rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-heading {
  font-size: 1rem;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.94rem;
}

.footer-list a {
  transition: color 0.2s ease;
}

.footer-list a:hover {
  color: var(--accent);
}

.footer-links {
  flex-direction: row;
  flex-wrap: wrap;
  column-gap: 22px;
  font-weight: 600;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-block: 22px;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer-credit {
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- Floating WhatsApp ---------- */
.whatsapp-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 55;
  width: 58px;
  height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #fff;
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.4);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.whatsapp-float::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--whatsapp);
  animation: pulseRing 2.2s ease-out infinite;
  z-index: -1;
}

@keyframes pulseRing {
  0% {
    transform: scale(1);
    opacity: 0.55;
  }
  80%, 100% {
    transform: scale(1.7);
    opacity: 0;
  }
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 18px 40px rgba(37, 211, 102, 0.5);
}

/* ---------- Mobile Contact Bar ---------- */
.mobile-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 65;
  background: var(--navy);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 -8px 24px rgba(4, 8, 16, 0.3);
}

.mobile-bar-link {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 10px;
  font-weight: 700;
  font-size: 0.98rem;
  color: #fff;
  transition: filter 0.2s ease;
}

.mobile-bar-link:hover {
  filter: brightness(1.1);
}

.mobile-call {
  background: var(--accent);
}

.mobile-wa {
  background: var(--whatsapp);
}

/* ---------- Scroll Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
  transition-delay: var(--reveal-delay, 0s);
  will-change: opacity, transform;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .about-plate,
  .about-chip,
  .map-link svg,
  .whatsapp-float::before {
    animation: none;
  }
  .btn,
  .product-card,
  .why-card {
    transition: none;
  }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 960px) {
  :root {
    --header-h: 70px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .btn-call {
    display: none;
  }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: block;
    background: var(--navy);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 24px 40px rgba(4, 8, 16, 0.4);
    padding: 18px 24px 26px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  }

  .site-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-link {
    display: block;
    padding: 13px 14px;
    font-size: 1rem;
    border-radius: 12px;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link:hover,
  .nav-link.active {
    background: rgba(255, 255, 255, 0.08);
  }

  .nav-call-mobile {
    display: inline-flex;
    margin-top: 16px;
    width: 100%;
  }

  body.menu-open {
    overflow: hidden;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    padding-block: 72px 140px;
    gap: 48px;
  }

  .hero-visual {
    order: 2;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-sub {
    margin-inline: auto;
  }

  .hero-actions,
  .hero-points {
    justify-content: center;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-visual {
    order: -1;
  }

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

@media (max-width: 768px) {
  .section {
    padding-block: 68px;
  }

  .trust {
    margin-top: -56px;
    padding-bottom: 48px;
  }

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

  .trust-item + .trust-item {
    border-left: 0;
  }

  .trust-item:nth-child(even) {
    border-left: 1px solid var(--line);
  }

  .trust-item:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .inquiry-form {
    flex-direction: column;
    align-items: stretch;
  }

  .inquiry-form .btn {
    width: 100%;
  }

  .cta {
    padding-block: 72px;
  }

  .cta-card {
    padding: 44px 24px;
  }
}

@media (max-width: 600px) {
  .brand-tag {
    display: none;
  }

  .hero-title {
    font-size: clamp(1.95rem, 8vw, 2.5rem);
  }

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

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

  .about-chip.chip-tools {
    left: -2%;
  }

  .about-chip.chip-paint {
    right: -2%;
  }

  .about-chip.chip-flask {
    left: 0;
  }

  .location-card {
    padding: 34px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  body {
    padding-bottom: 62px;
  }

  .mobile-bar {
    display: flex;
  }

  .whatsapp-float {
    bottom: 82px;
    right: 16px;
    width: 52px;
    height: 52px;
  }
}

@media (max-width: 420px) {
  .hero-actions .btn {
    width: 100%;
  }

  .location-actions .btn {
    width: 100%;
  }

  .cta-actions .btn {
    width: 100%;
  }

  .about-actions .btn {
    width: 100%;
  }
}