/* ==========================================================================
   IMPRESSUM — Engineering & Trading FZCO
   Homepage stylesheet
   ========================================================================== */

:root {
  --navy-900: #0f1d37;
  --navy-800: #152a4d;
  --navy-700: #1a2c4e;
  --navy-600: #22386a;
  --navy-500: #2e4a87;
  --navy-100: #eaf0fb;

  --accent: #c9a14a;        /* subtle gold for premium feel */
  --accent-soft: #f2e6c7;

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

  --white: #ffffff;

  --radius-sm: 6px;
  --radius:    12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 2px rgba(15, 29, 55, 0.06);
  --shadow:    0 8px 24px rgba(15, 29, 55, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 29, 55, 0.12);

  --container: 1200px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button { font-family: inherit; cursor: pointer; border: none; background: none; }

h1, h2, h3, h4, h5 { margin: 0; color: var(--navy-900); font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 4.5vw, 3.5rem); line-height: 1.15; }
h2 { font-size: clamp(1.75rem, 3vw, 2.4rem); line-height: 1.25; }
h3 { font-size: 1.25rem; line-height: 1.35; }

p { margin: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 18px;
}
.eyebrow--dark { color: var(--navy-700); }
.eyebrow__dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(201, 161, 74, 0.2);
}

.section-title {
  margin-bottom: 16px;
}
.section-title--light { color: var(--white); }

.section-lead {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 640px;
  margin-bottom: 24px;
}
.section-lead--light { color: rgba(255, 255, 255, 0.78); }

.section-head { margin-bottom: 48px; }
.section-head--center { text-align: center; margin-left: auto; margin-right: auto; }
.section-head--center .section-lead { margin-left: auto; margin-right: auto; }

.accent { color: var(--accent); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn--sm { padding: 10px 18px; font-size: 0.88rem; }
.btn--block { width: 100%; }

.btn--primary {
  background: var(--navy-700);
  color: var(--white);
}
.btn--primary:hover {
  background: var(--navy-900);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn--dark {
  background: var(--navy-900);
  color: var(--white);
}
.btn--dark:hover { background: var(--navy-700); }

.btn--ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
}
.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn--light {
  background: var(--white);
  color: var(--navy-900);
}
.btn--light:hover { background: var(--navy-100); }

.btn--outline-light {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
}
.btn--outline-light:hover { background: rgba(255, 255, 255, 0.1); }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.topbar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 42px;
  gap: 20px;
}
.topbar__left,
.topbar__right {
  display: flex;
  gap: 22px;
  align-items: center;
}
.topbar__item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition);
}
.topbar__item:hover:not(.topbar__item--muted) { color: var(--accent); }
.topbar__item--muted { color: rgba(255, 255, 255, 0.55); }

.topbar__badge {
  background: rgba(201, 161, 74, 0.15);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  border: 1px solid rgba(201, 161, 74, 0.3);
}
.topbar__badge::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
  animation: pulse 2s infinite;
}

.lang-switch {
  display: flex;
  gap: 2px;
  background: rgba(255, 255, 255, 0.08);
  padding: 3px;
  border-radius: var(--radius-sm);
}
.lang-switch__btn {
  color: rgba(255, 255, 255, 0.65);
  padding: 3px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 4px;
  transition: all var(--transition);
}
.lang-switch__btn.is-active {
  background: var(--white);
  color: var(--navy-900);
}
.lang-switch__btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  transition: box-shadow var(--transition);
}
.header.is-scrolled { box-shadow: var(--shadow-sm); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 82px;
  gap: 24px;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 4px;
}
.logo__mark {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--navy-900);
}
.logo__sub {
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  color: var(--gray-500);
  font-weight: 500;
}
.logo--light .logo__mark { color: var(--white); }
.logo--light .logo__sub { color: rgba(255, 255, 255, 0.55); }

.nav {
  display: flex;
  gap: 6px;
  align-items: center;
}
.nav__link {
  padding: 10px 16px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--gray-700);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}
.nav__link:hover { color: var(--navy-900); background: var(--gray-50); }

.header__cta { margin-left: 8px; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: var(--radius-sm);
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--navy-900);
  transition: all var(--transition);
  border-radius: 2px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 80px 0 100px;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 60%, var(--navy-600) 100%);
  color: var(--white);
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}
.hero__glow {
  position: absolute;
  top: -30%;
  right: -20%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(201, 161, 74, 0.18) 0%, transparent 60%);
  filter: blur(20px);
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero__title {
  color: var(--white);
  margin-bottom: 22px;
  font-weight: 800;
}

.hero__lead {
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.78);
  max-width: 560px;
  margin-bottom: 34px;
}

.hero__actions {
  display: flex;
  gap: 12px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}
.hero__actions .btn--primary {
  background: var(--accent);
  color: var(--navy-900);
}
.hero__actions .btn--primary:hover {
  background: var(--accent-soft);
  color: var(--navy-900);
}

.hero__meta {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 34px;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 26px;
}
.hero__meta li {
  display: flex;
  flex-direction: column;
}
.hero__meta strong {
  font-size: 1.4rem;
  color: var(--white);
  font-weight: 700;
}
.hero__meta span {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.04em;
}

/* Hero visual stack */
.hero__visual {
  position: relative;
  height: 460px;
}
.hero__card {
  position: absolute;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius);
  padding: 24px;
  width: 260px;
  color: var(--white);
  transition: transform var(--transition), background var(--transition);
}
.hero__card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.09);
}
.hero__card h4 {
  color: var(--white);
  margin: 14px 0 6px;
  font-size: 1.05rem;
}
.hero__card p {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
}
.hero__card-icon {
  width: 48px; height: 48px;
  border-radius: 10px;
  background: rgba(201, 161, 74, 0.15);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__card--1 { top: 20px; left: 20px; }
.hero__card--2 { top: 150px; right: 10px; }
.hero__card--3 { bottom: 20px; left: 60px; }

/* ---------- Trust strip ---------- */
.trust {
  padding: 40px 0;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-100);
}
.trust__label {
  text-align: center;
  color: var(--gray-500);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.trust__logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 48px;
  align-items: center;
}
.trust__logo {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gray-400);
  padding: 8px 14px;
  border: 1px dashed var(--gray-300);
  border-radius: var(--radius-sm);
  transition: color var(--transition), border-color var(--transition);
}
.trust__logo:hover { color: var(--navy-700); border-color: var(--navy-500); }

/* ---------- About ---------- */
.about {
  padding: 110px 0;
}
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 80px;
  align-items: center;
}
.about__media-frame {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, var(--navy-700) 0%, var(--navy-900) 100%);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about__media-inner {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}
.about__media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at bottom right, rgba(201,161,74,0.25) 0%, transparent 60%);
}
.about__stat {
  position: absolute;
  background: var(--white);
  padding: 18px 22px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 2;
  min-width: 180px;
}
.about__stat strong {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy-900);
  line-height: 1;
  margin-bottom: 4px;
}
.about__stat span {
  font-size: 0.82rem;
  color: var(--gray-600);
}
.about__stat--1 { top: 30px; right: -30px; }
.about__stat--2 { bottom: 30px; left: -30px; }

.about__list {
  list-style: none;
  padding: 0;
  margin: 28px 0 32px;
  display: grid;
  gap: 14px;
}
.about__list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  color: var(--gray-800);
}
.about__list svg {
  flex: none;
  width: 26px; height: 26px;
  padding: 5px;
  background: rgba(201, 161, 74, 0.15);
  color: var(--accent);
  border-radius: 50%;
}

/* ---------- Products ---------- */
.products {
  padding: 110px 0;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
}
.products__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  transition: all var(--transition);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.product-card__visual {
  aspect-ratio: 16/10;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.product-card__visual svg { width: 50%; height: auto; opacity: 0.95; }
.product-card__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 30px 30px;
}

.product-card__visual--1 { background: linear-gradient(135deg, #1e3a5f 0%, #2a4a7a 100%); }
.product-card__visual--2 { background: linear-gradient(135deg, #233d63 0%, #34548a 100%); }
.product-card__visual--3 { background: linear-gradient(135deg, #1a2c4e 0%, #263e68 100%); }
.product-card__visual--4 { background: linear-gradient(135deg, #26406b 0%, #3a5c91 100%); }
.product-card__visual--5 { background: linear-gradient(135deg, #152a4d 0%, #223f73 100%); }
.product-card__visual--6 { background: linear-gradient(135deg, #1e3558 0%, #2d4d7e 100%); }

.product-card__body { padding: 24px 26px 28px; }
.product-card__body h3 {
  margin-bottom: 8px;
  font-size: 1.15rem;
}
.product-card__body p {
  color: var(--gray-600);
  font-size: 0.92rem;
  margin-bottom: 18px;
  line-height: 1.6;
}
.product-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy-700);
  transition: gap var(--transition);
}
.product-card__link:hover { gap: 10px; color: var(--accent); }

/* ---------- Industries ---------- */
.industries {
  padding: 110px 0;
  background: var(--navy-900);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.industries::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 90%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,161,74,0.4), transparent);
}
.industries__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.industry {
  padding: 32px 28px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.industry:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(201, 161, 74, 0.3);
  transform: translateY(-2px);
}
.industry svg {
  color: var(--accent);
  margin-bottom: 18px;
}
.industry h4 {
  color: var(--white);
  margin-bottom: 6px;
  font-size: 1.1rem;
}
.industry p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9rem;
}

/* ---------- Why ---------- */
.why { padding: 110px 0; }
.why__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why__item {
  padding: 32px 24px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: var(--white);
  transition: all var(--transition);
}
.why__item:hover {
  border-color: var(--navy-700);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.why__num {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.why__item h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}
.why__item p {
  color: var(--gray-600);
  font-size: 0.92rem;
}

/* ---------- CTA ---------- */
.cta {
  background: linear-gradient(135deg, var(--navy-700), var(--navy-900));
  padding: 70px 0;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  top: -50%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(201,161,74,0.15), transparent 60%);
}
.cta__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta__title {
  color: var(--white);
  margin-bottom: 10px;
}
.cta__lead {
  color: rgba(255, 255, 255, 0.75);
  max-width: 520px;
}
.cta__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Contact ---------- */
.contact { padding: 110px 0; background: var(--gray-50); }
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: start;
}
.contact__list {
  list-style: none;
  padding: 0;
  margin: 30px 0 0;
  display: grid;
  gap: 22px;
}
.contact__list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  color: var(--gray-700);
  font-size: 0.95rem;
}
.contact__list strong {
  display: block;
  color: var(--navy-900);
  font-weight: 600;
  margin-bottom: 4px;
}
.contact__list a { color: var(--navy-700); font-weight: 500; }
.contact__list a:hover { color: var(--accent); }
.contact__icon {
  flex: none;
  width: 44px; height: 44px;
  background: var(--white);
  color: var(--navy-700);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-200);
}

.contact__form {
  background: var(--white);
  padding: 38px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-100);
}
.contact__form h3 {
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.contact__form label {
  display: block;
  margin-bottom: 14px;
}
.contact__form label span {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.contact__form input,
.contact__form select,
.contact__form textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--gray-900);
  background: var(--gray-50);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  outline: none;
  transition: all var(--transition);
}
.contact__form input:focus,
.contact__form select:focus,
.contact__form textarea:focus {
  border-color: var(--navy-700);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(26, 44, 78, 0.08);
}
.contact__form textarea { resize: vertical; }

.form-note {
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--gray-500);
  text-align: center;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.7);
  padding: 70px 0 0;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 50px;
}
.footer__brand p {
  margin-top: 20px;
  font-size: 0.92rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.55);
}
.footer__col h5 {
  color: var(--white);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 20px;
  font-weight: 600;
}
.footer__col a,
.footer__col span {
  display: block;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.6);
  padding: 6px 0;
  transition: color var(--transition);
}
.footer__col a:hover { color: var(--accent); }

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
}
.footer__bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
}
.footer__legal { display: flex; gap: 20px; }
.footer__legal a:hover { color: var(--accent); }

/* ---------- Chat floating button ---------- */
.chat-fab {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--navy-900);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(201, 161, 74, 0.4);
  z-index: 100;
  transition: transform var(--transition);
}
.chat-fab:hover { transform: translateY(-3px) scale(1.05); }
.chat-fab__pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--accent);
  animation: pulse-ring 2s infinite;
}

/* ---------- Animations ---------- */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}
@keyframes pulse-ring {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* Fade-in on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { height: 340px; margin-top: 20px; }
  .about__inner, .contact__inner { grid-template-columns: 1fr; gap: 50px; }
  .about__stat--1 { right: 20px; }
  .about__stat--2 { left: 20px; }
  .products__grid { grid-template-columns: repeat(2, 1fr); }
  .industries__grid { grid-template-columns: repeat(2, 1fr); }
  .why__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .topbar { display: none; }

  .nav {
    position: fixed;
    top: 82px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    gap: 2px;
    border-bottom: 1px solid var(--gray-100);
    box-shadow: var(--shadow);
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    pointer-events: none;
  }
  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__link { padding: 14px 16px; }
  .header__cta { display: none; }
  .nav-toggle { display: flex; }

  .hero { padding: 50px 0 70px; }
  .hero__visual { height: auto; display: grid; gap: 14px; grid-template-columns: 1fr; }
  .hero__card { position: relative; width: 100%; top: auto; left: auto; right: auto; bottom: auto; }

  .products__grid,
  .industries__grid,
  .why__grid { grid-template-columns: 1fr; }

  .form-row { grid-template-columns: 1fr; }

  .footer__inner { grid-template-columns: 1fr; }
  .footer__bottom-inner { flex-direction: column; text-align: center; }

  .cta__inner { flex-direction: column; text-align: center; }
  .cta__actions { justify-content: center; }

  .contact__form { padding: 28px 22px; }

  section { padding: 70px 0 !important; }
}

@media (max-width: 480px) {
  .logo__mark { font-size: 1.25rem; }
  .logo__sub { font-size: 0.55rem; }
  .hero__meta { gap: 20px; }
  .hero__meta strong { font-size: 1.15rem; }
  .chat-fab { width: 50px; height: 50px; bottom: 20px; right: 20px; }
}