/* MBAI Systems — premium industrial brochure site */

:root {
  --navy: #0d1b35;
  --navy-deep: #081222;
  --navy-mid: #1a2d52;
  --navy-bright: #243b6b;
  --gold: #d4920a;
  --gold-light: #f0b429;
  --gold-deep: #b47a08;
  --white: #ffffff;
  --mist: #e8eef5;
  --charcoal: #1a2332;
  --slate: #4a5a70;
  --silver: #9aabbd;
  --whatsapp: #25d366;

  --grad-hero: radial-gradient(ellipse 70% 55% at 85% 15%, rgba(240, 180, 41, 0.32), transparent 58%),
    radial-gradient(ellipse 55% 65% at 5% 90%, rgba(36, 59, 107, 0.95), transparent 58%),
    radial-gradient(ellipse 40% 40% at 50% 50%, rgba(212, 146, 10, 0.08), transparent 60%),
    linear-gradient(145deg, #06101f 0%, #0d1b35 40%, #16305a 72%, #1f3a6d 100%);
  --grad-section-light: radial-gradient(ellipse 70% 50% at 0% 0%, rgba(212, 146, 10, 0.1), transparent 55%),
    radial-gradient(ellipse 50% 40% at 100% 100%, rgba(26, 45, 82, 0.08), transparent 50%),
    linear-gradient(180deg, #eef3f9 0%, #f8fafc 55%, #ffffff 100%);
  --grad-section-dark: radial-gradient(ellipse 60% 50% at 100% 0%, rgba(240, 180, 41, 0.14), transparent 50%),
    radial-gradient(ellipse 50% 45% at 0% 100%, rgba(26, 45, 82, 0.9), transparent 55%),
    linear-gradient(165deg, #081222 0%, #0d1b35 50%, #152a4a 100%);
  --grad-gold: linear-gradient(135deg, #b47a08 0%, #d4920a 45%, #f0b429 100%);
  --grad-navy: linear-gradient(145deg, #0a1528 0%, #1a2d52 100%);
  --grad-card: linear-gradient(165deg, #122844 0%, #0d1b35 55%, #152a4a 100%);

  --shell: 980px;
  --radius: 4px;
  --radius-md: 10px;
  --header-h: 72px;
  --space-section: clamp(3.5rem, 6vw, 5.5rem);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition: 280ms var(--ease-out);
  --shadow-soft: 0 16px 40px rgba(8, 18, 34, 0.12);
  --shadow-lift: 0 22px 48px rgba(8, 18, 34, 0.2);
}

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

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

body {
  margin: 0;
  font-family: "DM Sans", "Segoe UI", sans-serif;
  font-weight: 400;
  line-height: 1.65;
  color: var(--charcoal);
  background: var(--white);
  overflow-x: clip;
}

body.nav-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  font-family: "Syne", "DM Sans", sans-serif;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.shell {
  width: min(100% - 3rem, var(--shell));
  margin-inline: auto;
  max-width: var(--shell);
}

.skip-link {
  position: fixed;
  z-index: 2000;
  top: 12px;
  left: 12px;
  padding: 10px 18px;
  font-weight: 700;
  color: var(--navy);
  background: var(--gold);
  border-radius: var(--radius);
  transform: translateY(-160%);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.eyebrow::before {
  width: 28px;
  height: 2px;
  background: currentColor;
  content: "";
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 26px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 2px solid transparent;
  border-radius: var(--radius);
  transition: transform var(--transition), background var(--transition),
    box-shadow var(--transition), color var(--transition), border-color var(--transition);
}

.btn-primary {
  color: var(--navy);
  background: var(--grad-gold);
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(212, 146, 10, 0.25);
}

.btn-primary:hover {
  filter: brightness(1.06);
  transform: translateY(-2px);
}

.btn-secondary {
  color: var(--white);
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-secondary:hover {
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateY(-2px);
}

.btn-whatsapp {
  color: var(--white);
  background: var(--whatsapp);
  border-color: var(--whatsapp);
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.btn-dark {
  color: var(--white);
  background: var(--grad-navy);
  border-color: transparent;
}

.btn-dark:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(8, 18, 34, 0.96), rgba(13, 27, 53, 0.92));
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: linear-gradient(180deg, rgba(8, 18, 34, 0.98), rgba(13, 27, 53, 0.97));
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: var(--header-h);
  padding: 10px 0;
}

.nav > .invt-header {
  margin-right: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 1 auto;
  min-width: 0;
}

.brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex: none;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
  min-width: 0;
}

.brand-text strong {
  font-family: "Syne", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  white-space: nowrap;
}

.brand-text span {
  margin-top: 4px;
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.header-end {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  margin-left: auto;
  min-width: 0;
  flex: 1 1 auto;
}

.invt-header {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(236, 242, 250, 0.96) 100%);
  border: 1px solid rgba(240, 180, 41, 0.35);
  border-radius: var(--radius);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
  flex: 0 0 auto;
  max-width: 100%;
}

.invt-header img {
  height: 22px;
  width: auto;
  display: block;
  flex: none;
}

.invt-header-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  border-left: 1px solid rgba(13, 27, 53, 0.12);
  padding-left: 8px;
  white-space: nowrap;
}

.invt-header-text strong {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--navy);
}

.invt-header-text small {
  margin-top: 2px;
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #b47d10;
}

.invt-header-mobile {
  display: none;
  align-items: center;
  gap: 10px;
  margin: 4px 0 14px;
  padding: 10px 12px;
  background: linear-gradient(180deg, #ffffff 0%, #f3f6fb 100%);
  border-radius: var(--radius);
  text-decoration: none;
}

.invt-header-mobile img {
  height: 24px;
  width: auto;
}

.invt-header-mobile span {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: 0.02em;
}

.nav-links .invt-header-mobile::after {
  display: none;
}

.nav-links .invt-header-mobile {
  border-bottom: 0;
  white-space: normal;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 0 1 auto;
  min-width: 0;
}

.nav-links a {
  position: relative;
  padding: 8px 10px;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.78);
  border-radius: var(--radius);
  transition: color var(--transition);
  white-space: nowrap;
}

.nav-links a::after {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 2px;
  background: var(--gold);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
}

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

.nav-links .btn {
  min-height: 40px;
  padding: 0 14px;
  margin-left: 6px;
  color: var(--navy);
  font-size: 0.72rem;
}

.nav-links .btn::after {
  display: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 11px;
  background: transparent;
  border: 0;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  color: var(--white);
  background: var(--grad-hero);
  overflow: hidden;
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, transparent 49.7%, rgba(160, 174, 192, 0.18) 50%, transparent 50.3%),
    linear-gradient(0deg, transparent 49.7%, rgba(160, 174, 192, 0.12) 50%, transparent 50.3%);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 70% at 70% 40%, #000 20%, transparent 75%);
  opacity: 0.4;
  animation: grid-drift 28s linear infinite;
}

@keyframes grid-drift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 64px 64px, 64px 64px; }
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(32px, 4vw, 56px);
  align-items: center;
  padding: clamp(2.75rem, 5vw, 4.5rem) 0;
}

.hero-copy,
.hero-visual {
  min-width: 0;
}

.hero-brand-mark {
  font-family: "Syne", sans-serif;
  font-size: clamp(0.85rem, 1.4vw, 1.05rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 14px;
}

.hero-copy h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  margin-bottom: 16px;
  max-width: 11ch;
  line-height: 1.05;
}

.hero-copy h1 em {
  font-style: normal;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-copy > p {
  max-width: 36ch;
  margin-bottom: 28px;
  font-size: clamp(0.95rem, 1.4vw, 1.05rem);
  color: rgba(255, 255, 255, 0.8);
  overflow-wrap: break-word;
}

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

.hero-actions .btn {
  flex: 0 1 auto;
}

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

.hero-panel {
  position: relative;
  margin: 0 auto;
  width: 260px;
  max-width: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: #ebebeb;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.32);
  transform-style: preserve-3d;
  transition: transform 180ms ease-out;
  will-change: transform;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: -20% -14% auto -14%;
  height: 50%;
  background: radial-gradient(circle, rgba(240, 180, 41, 0.32), transparent 70%);
  filter: blur(20px);
  z-index: -1;
  pointer-events: none;
}

.hero-panel img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

/* Product page tilt stages */
.tilt-stage {
  position: relative;
  transform-style: preserve-3d;
  transition: transform 180ms ease-out;
  will-change: transform;
  max-width: 100%;
}

.tilt-stage img {
  width: 100%;
  height: auto;
  max-height: 360px;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  object-position: center;
}

/* ---------- Stats ---------- */
.stats {
  position: relative;
  background: linear-gradient(90deg, #132847 0%, #1a2d52 40%, #243b6b 70%, #1a2d52 100%);
  color: var(--white);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat {
  padding: 40px 20px;
  text-align: center;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.stat:first-child {
  border-left: 0;
}

.stat .num {
  font-family: "Syne", sans-serif;
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

.stat .label {
  margin-top: 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver);
}

/* ---------- Sections ---------- */
.section {
  padding: var(--space-section) 0;
  position: relative;
}

.section-light {
  background: var(--grad-section-light);
}

.section-dark {
  background: var(--grad-section-dark);
  color: var(--white);
}

.section-head {
  max-width: 640px;
  margin-bottom: 3rem;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.section-head.center .eyebrow::before {
  display: none;
}

.section-head h2 {
  margin-top: 14px;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--navy);
}

.section-dark .section-head h2 {
  color: var(--white);
}

.section-head p {
  margin-top: 16px;
  font-size: 1.02rem;
  color: var(--slate);
}

.section-dark .section-head p {
  color: var(--silver);
}

/* ---------- Product teasers (interactive) ---------- */
.product-rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.product-tile {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: linear-gradient(180deg, #ffffff 0%, #f7f9fc 100%);
  border: 1px solid rgba(13, 27, 53, 0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  transform-style: preserve-3d;
}

.product-tile:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
  border-color: rgba(212, 146, 10, 0.35);
}

.product-tile .thumb {
  aspect-ratio: 4 / 3;
  background: linear-gradient(160deg, #f4f7fb 0%, #e5edf7 50%, #d7e1ee 100%);
  overflow: hidden;
}

.product-tile .thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 10%;
  transition: transform 500ms var(--ease-out);
}

.product-tile:hover .thumb img {
  transform: scale(1.05) translateZ(0);
}

.product-tile .body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 24px 24px 26px;
}

.product-tile .tag {
  align-self: flex-start;
  margin-bottom: 12px;
  padding: 4px 10px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(212, 146, 10, 0.4);
  border-radius: var(--radius);
}

.product-tile h3 {
  font-size: 1.35rem;
  margin-bottom: 10px;
  color: var(--navy);
}

.product-tile p {
  font-size: 0.92rem;
  color: var(--slate);
  flex: 1;
}

.product-tile .card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--navy);
}

.product-tile:hover .card-link {
  color: var(--gold);
  gap: 12px;
}

/* ---------- Value / trust blocks ---------- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.value-item {
  padding: 28px 22px;
  min-width: 0;
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  transition: background var(--transition);
}

.value-item:hover {
  background: rgba(212, 146, 10, 0.08);
}

.value-item .icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  color: var(--gold);
  border: 1px solid rgba(212, 146, 10, 0.35);
  border-radius: var(--radius);
  background: rgba(212, 146, 10, 0.08);
}

.value-item .icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.value-item h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.value-item p {
  font-size: 0.9rem;
  color: var(--silver);
}

.value-grid.solid .value-item {
  background: var(--navy);
  color: var(--white);
}

.value-grid.solid {
  background: rgba(13, 27, 53, 0.08);
  border-color: rgba(13, 27, 53, 0.08);
}

/* ---------- Process ---------- */
.process-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.process-step {
  position: relative;
  padding-top: 8px;
}

.process-step .step-num {
  font-family: "Syne", sans-serif;
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  color: rgba(212, 146, 10, 0.35);
  margin-bottom: 12px;
}

.process-step h3 {
  font-size: 1.25rem;
  color: var(--navy);
  margin-bottom: 10px;
}

.process-step p {
  color: var(--slate);
  font-size: 0.95rem;
}

/* ---------- Partnership band ---------- */
.partner-band {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 36px;
  align-items: center;
  padding: clamp(24px, 4vw, 40px);
  background: linear-gradient(145deg, #ffffff 0%, #f3f7fc 55%, #e8eef8 100%);
  border-radius: var(--radius-md);
  color: var(--charcoal);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.partner-mark {
  display: grid;
  place-items: center;
  gap: 14px;
  padding: 40px 28px;
  background: linear-gradient(160deg, #f7f9fc, #e8eef5);
  border: 1px solid rgba(13, 27, 53, 0.08);
  border-radius: var(--radius);
}

.partner-mark img {
  width: min(200px, 70%);
  height: auto;
}

.partner-mark span {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #b47d10;
}

.partner-band h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--navy);
  margin-bottom: 14px;
}

.partner-band p {
  color: var(--slate);
}

.territory {
  display: inline-block;
  margin-top: 18px;
  padding: 8px 16px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--navy);
  background: var(--gold);
  border-radius: var(--radius);
}

/* ---------- Trust quote ---------- */
.trust-band {
  padding: clamp(2.5rem, 5vw, 3.75rem) 0;
  text-align: center;
  color: var(--white);
  background:
    radial-gradient(ellipse 60% 80% at 50% 0%, rgba(240, 180, 41, 0.16), transparent 55%),
    linear-gradient(120deg, #081222 0%, #0d1b35 45%, #1a2d52 100%);
}

.trust-band p {
  font-family: "Syne", sans-serif;
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  max-width: 20ch;
  margin: 0 auto;
}

.trust-band p em {
  font-style: normal;
  color: var(--gold);
}

/* ---------- CTA ---------- */
.cta-band {
  padding: clamp(2.75rem, 5vw, 4rem) 0;
  background:
    radial-gradient(ellipse 50% 80% at 0% 50%, rgba(255, 255, 255, 0.18), transparent 55%),
    radial-gradient(ellipse 40% 70% at 100% 50%, rgba(180, 122, 8, 0.35), transparent 50%),
    var(--grad-gold);
  color: var(--navy);
}

.cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.cta-inner h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
}

.cta-inner p {
  margin-top: 8px;
  font-weight: 600;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.cta-actions .phone {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--navy);
}

/* ---------- Footer ---------- */
.site-footer {
  color: var(--silver);
  background: var(--navy-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.1fr;
  gap: 36px;
  padding: 64px 0 40px;
}

.footer-brand .brand {
  margin-bottom: 18px;
}

.footer-brand p {
  max-width: 320px;
  font-size: 0.88rem;
}

.footer-tag {
  margin-top: 16px;
  font-family: "Syne", sans-serif;
  font-weight: 700;
  color: var(--gold);
}

.footer-col h4 {
  margin-bottom: 16px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--white);
}

.footer-col a,
.footer-col p {
  display: block;
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: var(--silver);
}

.footer-col a:hover {
  color: var(--gold-light);
}

.footer-invt {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  padding: 10px 12px;
  background: var(--white);
  border-radius: var(--radius);
}

.footer-invt img {
  height: 22px;
  width: auto;
}

.footer-invt span {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  border-left: 1px solid rgba(13, 27, 53, 0.12);
  padding-left: 10px;
}

.footer-bottom {
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.78rem;
  text-align: center;
}

/* ---------- FAB ---------- */
.fab {
  position: fixed;
  z-index: 1500;
  right: 22px;
  bottom: 22px;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  color: var(--white);
  background: var(--whatsapp);
  border-radius: 50%;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
  animation: fab-pulse 2.2s ease-out 3;
  transition: transform var(--transition);
}

.fab:hover {
  transform: scale(1.06);
}

.fab svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

@keyframes fab-pulse {
  0% { box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28), 0 0 0 0 rgba(37, 211, 102, 0.55); }
  70% { box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28), 0 0 0 16px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28), 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ---------- Page hero ---------- */
.page-hero {
  position: relative;
  color: var(--white);
  background: var(--grad-hero);
  overflow: hidden;
}

.page-hero .shell {
  position: relative;
  z-index: 1;
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.page-hero h1 {
  margin-top: 14px;
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  max-width: 16ch;
  overflow-wrap: anywhere;
}

.page-hero p {
  max-width: 52ch;
  margin-top: 14px;
  font-size: 1.02rem;
  color: rgba(255, 255, 255, 0.78);
  overflow-wrap: anywhere;
}

/* ---------- Products page ---------- */
.product-tabs {
  position: sticky;
  top: var(--header-h);
  z-index: 900;
  background: rgba(247, 249, 252, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(13, 27, 53, 0.08);
}

.product-tabs .shell {
  display: flex;
  gap: 10px;
  padding: 14px 24px;
  overflow-x: auto;
}

.product-tabs a {
  flex: none;
  padding: 10px 18px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--navy);
  background: var(--white);
  border: 1px solid rgba(13, 27, 53, 0.12);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.product-tabs a:hover,
.product-tabs a.active {
  color: var(--white);
  background: var(--navy);
  border-color: var(--navy);
}

.product-section {
  padding: var(--space-section) 0;
}

.product-section:nth-of-type(even) {
  background:
    radial-gradient(ellipse 70% 40% at 100% 0%, rgba(212, 146, 10, 0.05), transparent 50%),
    var(--mist);
}

.product-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}

.product-layout.reversed .product-media {
  order: 2;
}

.product-media {
  perspective: 1000px;
}

.product-media .tilt-stage {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(160deg, #0a1528 0%, #1a2d52 55%, #243b6b 100%);
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-soft);
}

.product-media img {
  width: 100%;
  max-height: 360px;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  object-position: center;
}

.product-info h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  color: var(--navy);
  margin-bottom: 8px;
}

.product-info .sub {
  margin-bottom: 18px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}

.product-info > p {
  margin-bottom: 24px;
  color: var(--slate);
}

.metric-ribbon {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 26px;
  border: 1px solid rgba(13, 27, 53, 0.12);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}

.metric-ribbon div {
  padding: 16px;
  text-align: center;
  border-left: 1px solid rgba(13, 27, 53, 0.12);
}

.metric-ribbon div:first-child {
  border-left: 0;
}

.metric-ribbon strong {
  display: block;
  font-family: "Syne", sans-serif;
  font-size: 1.05rem;
  color: var(--navy);
}

.metric-ribbon span {
  display: block;
  margin-top: 4px;
  font-size: 0.64rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--silver);
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 0 0 26px;
  padding: 0;
}

.feature-grid li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  list-style: none;
  font-size: 0.9rem;
  color: var(--charcoal);
}

.feature-grid li::before {
  flex: none;
  margin-top: 2px;
  color: var(--gold);
  font-weight: 900;
  content: "\2713";
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
}

.chips li {
  list-style: none;
  padding: 8px 14px;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--navy);
  background: rgba(13, 27, 53, 0.06);
  border-radius: var(--radius);
}

.badge-alert {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 26px;
  padding: 16px 18px;
  background: rgba(212, 146, 10, 0.1);
  border: 1px solid rgba(212, 146, 10, 0.35);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
}

.badge-alert svg {
  flex: none;
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.badge-alert strong {
  display: block;
  color: var(--navy);
}

.badge-alert small {
  color: var(--slate);
}

.invt-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  margin-bottom: 18px;
  background: var(--white);
  border: 1px solid rgba(13, 27, 53, 0.1);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(8, 18, 34, 0.08);
}

.invt-badge img {
  height: 28px;
  width: auto;
}

.invt-badge .divider {
  width: 1px;
  height: 30px;
  background: rgba(13, 27, 53, 0.12);
}

.invt-badge-text strong {
  display: block;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--navy);
}

.invt-badge-text small {
  display: block;
  margin-top: 2px;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #b47d10;
}

/* ---------- About ---------- */
.story-split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: start;
}

.story-copy h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  color: var(--navy);
  margin: 14px 0 18px;
}

.story-copy p + p {
  margin-top: 14px;
}

.story-copy p {
  color: var(--slate);
}

.story-points {
  display: grid;
  gap: 14px;
}

.story-point {
  padding: 22px 22px;
  background: var(--white);
  border: 1px solid rgba(13, 27, 53, 0.08);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
}

.story-point h3 {
  font-size: 1.05rem;
  color: var(--navy);
  margin-bottom: 6px;
}

.story-point p {
  font-size: 0.9rem;
  color: var(--slate);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
}

.timeline li {
  position: relative;
  list-style: none;
  padding: 28px 22px 0;
  border-top: 2px solid rgba(255, 255, 255, 0.16);
}

.timeline li::before {
  position: absolute;
  top: -8px;
  left: 22px;
  width: 14px;
  height: 14px;
  background: var(--gold);
  border-radius: 50%;
  content: "";
}

.timeline .year {
  font-family: "Syne", sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
}

.timeline p {
  margin-top: 8px;
  font-size: 0.9rem;
  color: var(--silver);
}

.hierarchy {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 22px;
  align-items: center;
}

.hierarchy .node {
  padding: 28px;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-md);
  border-top: 3px solid var(--gold);
}

.hierarchy .node h3 {
  font-size: 1.35rem;
  margin-bottom: 8px;
}

.hierarchy .node .role {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}

.hierarchy .node p {
  font-size: 0.9rem;
  color: var(--silver);
}

.hierarchy .connector {
  font-size: 1.8rem;
  color: var(--gold);
}

.distributor-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
  padding: 40px;
  background: var(--navy-mid);
  border-radius: var(--radius-md);
}

.distributor-panel .invt-mark {
  display: grid;
  place-items: center;
  gap: 14px;
  padding: 40px;
  background: var(--white);
  border-radius: var(--radius);
}

.distributor-panel .invt-mark img {
  width: min(180px, 60%);
  height: auto;
}

.distributor-panel .invt-mark span {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #b47d10;
}

.distributor-panel h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 14px;
}

.distributor-panel p {
  color: var(--silver);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

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

.contact-card {
  display: block;
  padding: 24px;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-md);
  border-top: 3px solid var(--gold);
  transition: transform var(--transition), box-shadow var(--transition);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.contact-card .icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 14px;
  color: var(--gold);
  background: rgba(212, 146, 10, 0.12);
  border-radius: var(--radius);
}

.contact-card .icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-card .label {
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--silver);
}

.contact-card .value {
  margin-top: 6px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  word-break: break-word;
}

.contact-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hours-card {
  padding: 26px;
  background: var(--white);
  border: 1px solid rgba(13, 27, 53, 0.08);
  border-radius: var(--radius-md);
}

.hours-card h3 {
  margin-bottom: 16px;
  font-size: 1.15rem;
  color: var(--navy);
}

.hours-card dl {
  margin: 0;
}

.hours-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(13, 27, 53, 0.12);
  font-size: 0.9rem;
}

.hours-row:last-child {
  border-bottom: 0;
}

.hours-row dt {
  font-weight: 600;
}

.hours-row dd {
  margin: 0;
  color: var(--slate);
}

.hours-row.closed dd {
  color: #c0392b;
  font-weight: 700;
}

.map-embed {
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid rgba(13, 27, 53, 0.1);
}

.map-embed iframe {
  display: block;
  width: 100%;
  height: 280px;
  border: 0;
}

.enquiry-band {
  background: var(--grad-section-dark);
  color: var(--white);
}

.enquiry-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 44px;
  align-items: start;
}

.form-card {
  padding: 32px;
  background: var(--navy-mid);
  border-radius: var(--radius-md);
  border-top: 3px solid var(--gold);
}

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

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--silver);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 14px;
  font: inherit;
  font-size: 0.94rem;
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  transition: border-color var(--transition), background var(--transition);
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(154, 171, 189, 0.7);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(255, 255, 255, 0.1);
}

.field select option {
  color: var(--charcoal);
}

.field textarea {
  min-height: 120px;
  resize: vertical;
}

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

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}

.reveal[data-delay="1"] { transition-delay: 80ms; }
.reveal[data-delay="2"] { transition-delay: 160ms; }
.reveal[data-delay="3"] { transition-delay: 240ms; }

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
  .invt-header-text small {
    display: none;
  }

  .nav-links a {
    padding: 8px 8px;
    font-size: 0.76rem;
  }

  .footer-grid {
    grid-template-columns: 1.3fr 1fr 1fr;
  }

  .footer-grid .footer-col:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 1100px) {
  :root {
    --header-h: 64px;
  }

  .nav-toggle {
    display: flex;
    flex: none;
  }

  .header-end {
    gap: 8px;
    flex: 0 0 auto;
    margin-left: auto;
  }

  .invt-header {
    display: inline-flex;
    padding: 5px 8px;
  }

  .invt-header-text {
    display: none;
  }

  .invt-header img {
    height: 18px;
  }

  .nav-links .invt-header-mobile {
    display: flex;
  }

  .nav-links {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 1rem 24px;
    background: linear-gradient(180deg, #0a1528, #0d1b35);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
    z-index: 999;
  }

  .nav-links.open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    padding: 14px 4px;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    white-space: normal;
  }

  .nav-links a::after {
    display: none;
  }

  .nav-links .btn {
    margin: 14px 0 0;
    min-height: 48px;
    width: 100%;
  }

}

@media (max-width: 900px) {
  .hero-grid,
  .product-layout,
  .product-layout.reversed,
  .story-split,
  .partner-band,
  .distributor-panel,
  .contact-grid,
  .enquiry-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .product-layout.reversed .product-media {
    order: 0;
  }

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

  .hero-panel {
    width: min(100%, 240px);
  }

  .product-rail,
  .value-grid,
  .process-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .stat:nth-child(3) {
    border-left: 0;
  }

  .stat:nth-child(3),
  .stat:nth-child(4) {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 12px;
  }

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

  .hierarchy .connector {
    transform: rotate(90deg);
    justify-self: center;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 2rem, var(--shell));
  }

  .invt-header {
    display: none;
  }

  .brand-text strong {
    font-size: 0.95rem;
  }

  .brand-text span {
    letter-spacing: 0.14em;
  }

  .hero-copy h1 {
    max-width: none;
    font-size: clamp(2.1rem, 10vw, 2.8rem);
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

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

  .hero-panel {
    width: min(100%, 220px);
  }

  .product-rail,
  .value-grid,
  .process-row,
  .contact-cards,
  .feature-grid,
  .form-row,
  .stats-grid,
  .timeline,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .stat,
  .stat:nth-child(3),
  .stat:nth-child(4) {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .stat:first-child {
    border-top: 0;
  }

  .metric-ribbon {
    grid-template-columns: 1fr;
  }

  .metric-ribbon div {
    border-left: 0;
    border-top: 1px solid rgba(13, 27, 53, 0.12);
  }

  .metric-ribbon div:first-child {
    border-top: 0;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

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

  .form-card,
  .distributor-panel,
  .partner-band {
    padding: 20px;
  }

  .btn {
    min-height: 48px;
    padding: 0 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero-atmosphere {
    animation: none;
  }
}