/* DAMS EV Solution — Premium Design System */
:root {
  --primary: #0a2540;
  --primary-light: #143d66;
  --accent: #0ea5a0;
  --accent-dark: #0b7f7b;
  --accent-soft: #e6f7f6;
  --gold: #c9a227;
  --text: #1a2332;
  --text-muted: #5a6a7a;
  --bg: #f7f9fc;
  --bg-soft: #eef2f7;
  --white: #ffffff;
  --border: rgba(10, 37, 64, 0.08);
  --shadow: 0 10px 40px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 20px 60px rgba(10, 37, 64, 0.14);
  --radius: 16px;
  --radius-sm: 10px;
  --nav-h: 88px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font: "Segoe UI", "Helvetica Neue", system-ui, sans-serif;
  --font-num: "Roboto", "Lato", "Courier New", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition), opacity var(--transition);
}

ul {
  list-style: none;
}

.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.num {
  font-family: var(--font-num);
}

/* ——— Sparks / ambient ——— */
.spark-layer {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}

.spark {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  animation: spark-float 6s ease-in-out infinite;
  box-shadow: 0 0 8px var(--accent);
}

@keyframes spark-float {
  0%,
  100% {
    opacity: 0;
    transform: translateY(0) scale(0.5);
  }
  20% {
    opacity: 0.7;
  }
  80% {
    opacity: 0.3;
  }
  100% {
    opacity: 0;
    transform: translateY(-120px) scale(1.2);
  }
}

/* ——— Header ——— */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background var(--transition), box-shadow var(--transition),
    backdrop-filter var(--transition);
}

.site-header .nav-link,
.site-header .brand-name,
.site-header .dropdown-toggle {
  color: rgba(255, 255, 255, 0.95);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  box-shadow: 0 4px 24px rgba(10, 37, 64, 0.1);
}

.site-header.scrolled .nav-link,
.site-header.scrolled .brand-name,
.site-header.scrolled .dropdown-toggle {
  color: var(--primary);
}

.site-header.scrolled .hamburger span {
  background: var(--primary);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex: 1 1 auto;
  min-width: 0;
  max-width: 520px;
  z-index: 1001;
}

.brand img {
  width: 68px;
  height: 68px;
  object-fit: contain;
  border-radius: 10px;
  flex-shrink: 0;
}

.brand-name {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.15rem;
  min-width: 0;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.2;
  transition: color var(--transition);
}

.brand-name .brand-title {
  display: block;
  font-size: clamp(0.95rem, 1.6vw, 1.2rem);
  font-weight: 800;
  line-height: 1.15;
  white-space: nowrap;
}

.brand-name .brand-sub {
  display: block;
  font-size: clamp(0.72rem, 1.1vw, 0.82rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.88;
  white-space: nowrap;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav-link,
.dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 0.9rem;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  transition: background var(--transition), color var(--transition);
}

.nav-link:hover,
.dropdown-toggle:hover {
  background: rgba(14, 165, 160, 0.12);
  color: var(--accent) !important;
}

.site-header.scrolled .nav-link:hover,
.site-header.scrolled .dropdown-toggle:hover {
  color: var(--accent) !important;
}

.nav-item {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 240px;
  background: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition),
    visibility var(--transition);
  border: 1px solid var(--border);
  z-index: 1002;
}

.nav-item:hover .dropdown-menu,
.nav-item.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 0.7rem 1rem;
  border-radius: 8px;
  color: var(--text) !important;
  font-size: 0.9rem;
  font-weight: 500;
}

.dropdown-menu a:hover {
  background: var(--accent-soft);
  color: var(--accent-dark) !important;
}

.dropdown-toggle .chev {
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  transition: transform var(--transition);
}

.nav-item.open .chev,
.nav-item:hover .chev {
  transform: rotate(180deg);
}

.nav-cta {
  margin-left: 0.5rem;
  padding: 0.6rem 1.25rem !important;
  background: var(--accent) !important;
  color: #fff !important;
  border-radius: 999px !important;
  font-weight: 700 !important;
}

.nav-cta:hover {
  background: var(--accent-dark) !important;
  color: #fff !important;
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
  padding: 8px;
}

.hamburger span {
  display: block;
  height: 2.5px;
  width: 100%;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition),
    background var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* ——— Hero ——— */
.hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
}

.hero-slides {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-slide.active {
  opacity: 1;
  z-index: 1;
}

.hero-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    rgba(10, 37, 64, 0.82) 0%,
    rgba(10, 37, 64, 0.55) 45%,
    rgba(14, 165, 160, 0.35) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 2rem) 1.5rem 4rem;
  color: #fff;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  animation: fadeUp 0.8s ease both;
}

.hero-content h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.15;
  max-width: 820px;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
  animation: fadeUp 0.9s 0.1s ease both;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.25);
}

.hero-content p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  max-width: 620px;
  opacity: 0.92;
  margin-bottom: 2rem;
  animation: fadeUp 1s 0.2s ease both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  animation: fadeUp 1.1s 0.3s ease both;
}

.hero-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 0.6rem;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.7);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background var(--transition), transform var(--transition);
}

.hero-dot.active {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.2);
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ——— Buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition),
    box-shadow var(--transition), border-color var(--transition), color var(--transition);
  font-family: inherit;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 24px rgba(14, 165, 160, 0.35);
}

.btn-primary:hover {
  background: var(--accent-dark);
  box-shadow: 0 12px 32px rgba(14, 165, 160, 0.45);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.65);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

.btn-dark {
  background: var(--primary);
  color: #fff;
}

.btn-dark:hover {
  background: var(--primary-light);
}

.btn-outline-dark {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline-dark:hover {
  background: var(--primary);
  color: #fff;
}

/* ——— Sections ——— */
.section {
  padding: 5.5rem 0;
  position: relative;
  z-index: 2;
}

.section-alt {
  background: var(--white);
}

.section-dark {
  background: linear-gradient(145deg, var(--primary) 0%, #0d3a5c 100%);
  color: #fff;
}

.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.section-head .eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.section-dark .section-head h2 {
  color: #fff;
}

.section-head p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.section-dark .section-head p {
  color: rgba(255, 255, 255, 0.75);
}

/* ——— Cards / Grid ——— */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-soft);
  cursor: pointer;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 0.75rem;
  transition: transform 0.5s ease;
}

.card:hover .card-media img {
  transform: scale(1.04);
}

.card-body {
  padding: 1.5rem;
}

.card-body h3 {
  font-size: 1.15rem;
  font-weight: 750;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.card-body p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.card-link {
  font-weight: 700;
  color: var(--accent);
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.card-link:hover {
  color: var(--accent-dark);
}

.card-link::after {
  content: "→";
  transition: transform var(--transition);
}

.card-link:hover::after {
  transform: translateX(4px);
}

/* Product feature list */
.feature-list {
  display: grid;
  gap: 1rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem 1.4rem;
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.feature-item:hover {
  transform: translateX(4px);
}

.feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
}

.feature-item h4 {
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 0.2rem;
}

.feature-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin: 0;
}

/* Why choose */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.why-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
}

.why-card:hover {
  background: rgba(14, 165, 160, 0.15);
  transform: translateY(-4px);
}

.why-card .icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 700;
  animation: pulse-soft 3s ease-in-out infinite;
}

@keyframes pulse-soft {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(14, 165, 160, 0.4);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(14, 165, 160, 0);
  }
}

.why-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.why-card p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
}

/* CTA band */
.cta-band {
  padding: 4.5rem 0;
  background: linear-gradient(135deg, var(--accent-dark), var(--accent) 50%, #14b8a6);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  top: -120px;
  right: -80px;
  animation: drift 12s ease-in-out infinite;
}

@keyframes drift {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(-30px, 20px);
  }
}

.cta-band h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: 0.75rem;
  position: relative;
}

.cta-band p {
  opacity: 0.9;
  margin-bottom: 1.75rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.cta-band .btn-outline {
  position: relative;
  border-color: #fff;
}

/* FAQ */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-bottom: 0.85rem;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.faq-q {
  width: 100%;
  text-align: left;
  padding: 1.15rem 1.35rem;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-q::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--accent);
  font-weight: 400;
  transition: transform var(--transition);
}

.faq-item.open .faq-q::after {
  content: "−";
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 1.35rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.faq-item.open .faq-a {
  max-height: 240px;
  padding: 0 1.35rem 1.25rem;
}

/* Page hero (inner) */
.page-hero {
  position: relative;
  min-height: 42vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  background-size: cover;
  background-position: center;
  margin-top: 0;
  padding: calc(var(--nav-h) + 3rem) 1.5rem 3.5rem;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    rgba(10, 37, 64, 0.85),
    rgba(14, 165, 160, 0.45)
  );
}

.page-hero .inner {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 0.6rem;
}

.page-hero p {
  opacity: 0.9;
  max-width: 560px;
  margin: 0 auto;
}

.breadcrumb {
  font-size: 0.85rem;
  opacity: 0.8;
  margin-bottom: 0.75rem;
}

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

/* Product detail */
.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.product-gallery {
  position: sticky;
  top: calc(var(--nav-h) + 1.5rem);
}

.product-main-img {
  aspect-ratio: 1;
  background: var(--bg-soft);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-main-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 1.5rem;
}

.product-thumbs {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.product-thumbs button {
  flex: 1;
  aspect-ratio: 1;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-soft);
  padding: 0.35rem;
  transition: border-color var(--transition);
}

.product-thumbs button.active,
.product-thumbs button:hover {
  border-color: var(--accent);
}

.product-thumbs img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-info h1 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.product-tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.product-info .lead {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.spec-table th,
.spec-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.spec-table th {
  color: var(--primary);
  font-weight: 700;
  width: 40%;
  background: var(--bg-soft);
}

.spec-table td {
  font-family: var(--font-num);
  color: var(--text-muted);
}

.color-swatches {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 1rem 0 1.5rem;
}

.swatch {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--border);
  cursor: default;
}

/* About */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-split img {
  width: 100%;
  border-radius: var(--radius);
  object-fit: cover;
  aspect-ratio: 4 / 3;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
}

.about-split h2 {
  color: var(--primary);
  font-size: 1.9rem;
  margin-bottom: 1rem;
}

.about-split p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.phil-card {
  padding: 1.5rem;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  text-align: center;
}

.phil-card h3 {
  color: var(--accent-dark);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.phil-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
}

.contact-info-card {
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius);
  padding: 2.5rem;
}

.contact-info-card h2 {
  margin-bottom: 0.5rem;
}

.contact-info-card > p {
  opacity: 0.8;
  margin-bottom: 2rem;
}

.contact-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  align-items: flex-start;
}

.contact-row .ico {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(14, 165, 160, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.contact-row strong {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.9rem;
}

.contact-row span,
.contact-row a {
  opacity: 0.85;
  font-size: 0.92rem;
  word-break: break-word;
}

.contact-row a:hover {
  color: var(--accent);
  opacity: 1;
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 0.4rem;
  color: var(--primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--bg);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(14, 165, 160, 0.15);
}

.form-group textarea {
  min-height: 130px;
  resize: vertical;
}

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

.map-embed {
  margin-top: 3rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  height: 360px;
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* Services showcase strip */
.service-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.service-tile {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 420px;
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow);
  cursor: pointer;
  background: #0b1a2a;
}

.service-tile .bg {
  position: absolute;
  inset: 0;
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  transition: transform 0.6s ease;
}

.service-tile:hover .bg {
  transform: scale(1.03);
}

.service-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 37, 64, 0.88) 0%, rgba(10, 37, 64, 0.15) 35%, transparent 55%);
  pointer-events: none;
}

.service-tile span {
  position: relative;
  z-index: 1;
  color: #fff;
  font-weight: 700;
  padding: 1.35rem 1.5rem;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

/* Floating Call & WhatsApp */
.float-actions {
  position: fixed;
  right: 1.1rem;
  bottom: 1.25rem;
  z-index: 4000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.float-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(10, 37, 64, 0.28);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: none;
  text-decoration: none;
  animation: float-pulse 2.4s ease-in-out infinite;
}

.float-btn:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 12px 28px rgba(10, 37, 64, 0.35);
}

.float-btn svg {
  width: 28px;
  height: 28px;
  display: block;
  fill: #fff;
}

.float-btn.whatsapp {
  background: #25d366;
  animation-delay: 0.35s;
}

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

@keyframes float-pulse {
  0%,
  100% {
    box-shadow: 0 8px 24px rgba(10, 37, 64, 0.28);
  }
  50% {
    box-shadow: 0 8px 24px rgba(10, 37, 64, 0.28), 0 0 0 10px rgba(14, 165, 160, 0.12);
  }
}

.float-btn.whatsapp {
  animation-name: float-pulse-wa;
}

@keyframes float-pulse-wa {
  0%,
  100% {
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
  }
  50% {
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35), 0 0 0 10px rgba(37, 211, 102, 0.18);
  }
}

@media (max-width: 600px) {
  .float-actions {
    right: 0.85rem;
    bottom: 0.95rem;
  }

  .float-btn {
    width: 52px;
    height: 52px;
  }

  .float-btn svg {
    width: 26px;
    height: 26px;
  }
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 5000;
  background: rgba(10, 37, 64, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  padding: 2rem;
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox img {
  max-width: min(90vw, 1000px);
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  line-height: 1;
}

.lightbox-close:hover {
  background: var(--accent);
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Footer */
.site-footer {
  background: #071828;
  color: rgba(255, 255, 255, 0.8);
  padding: 4rem 0 0;
  position: relative;
  z-index: 2;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin-bottom: 1rem;
  border-radius: 10px;
}

.footer-brand h3 {
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  opacity: 0.75;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 1.1rem;
  letter-spacing: 0.04em;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  padding: 0.3rem 0;
  opacity: 0.75;
}

.footer-col a:hover {
  opacity: 1;
  color: var(--accent);
}

.footer-col .addr {
  font-size: 0.9rem;
  opacity: 0.75;
  line-height: 1.7;
}

.footer-bottom {
  padding: 1.35rem 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
}

.footer-bottom a {
  color: var(--accent);
  font-weight: 600;
}

.footer-bottom a:hover {
  text-decoration: underline;
}

/* Directors */
.directors {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.director-chip {
  background: var(--accent-soft);
  color: var(--primary);
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
}

/* Mobile */
@media (max-width: 1024px) {
  .grid-4,
  .service-strip,
  .philosophy-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 900px) {
  /* Always-visible solid navbar on mobile */
  .site-header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(14px);
    box-shadow: 0 4px 20px rgba(10, 37, 64, 0.12);
    z-index: 4500;
  }

  .site-header .nav-link,
  .site-header .brand-name,
  .site-header .dropdown-toggle {
    color: var(--primary) !important;
  }

  .site-header .hamburger span,
  .site-header:not(.scrolled) .hamburger span,
  .site-header.scrolled .hamburger span {
    background: var(--primary) !important;
  }

  .hamburger {
    display: flex;
    position: relative;
    z-index: 4502;
  }

  .brand {
    z-index: 4502;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 88vw);
    height: 100vh;
    height: 100dvh;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: calc(var(--nav-h) + 1rem) 1.25rem 2rem;
    gap: 0.25rem;
    transform: translateX(105%);
    transition: transform 0.35s ease;
    box-shadow: -10px 0 40px rgba(10, 37, 64, 0.15);
    overflow-y: auto;
    z-index: 4501;
  }

  .nav-menu.open {
    transform: translateX(0);
  }

  .nav-link,
  .dropdown-toggle {
    color: var(--primary) !important;
    width: 100%;
    justify-content: space-between;
    padding: 0.9rem 1rem;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    max-height: 0;
    overflow: hidden;
    padding: 0;
    transition: max-height 0.35s ease, padding 0.35s ease;
    min-width: 0;
    background: var(--bg-soft);
    border-radius: 8px;
  }

  .nav-item.open .dropdown-menu {
    max-height: 420px;
    padding: 0.4rem;
    margin-bottom: 0.35rem;
  }

  .nav-cta {
    margin: 0.75rem 0 0 !important;
    text-align: center;
    justify-content: center;
  }

  .brand {
    max-width: none;
    flex: 1 1 auto;
    gap: 0.6rem;
    padding-right: 0.5rem;
  }

  .brand img {
    width: 52px;
    height: 52px;
  }

  .brand-name {
    flex: 1 1 auto;
    gap: 0.12rem;
  }

  .brand-name .brand-title {
    font-size: 1.02rem;
    white-space: normal;
    line-height: 1.2;
  }

  .brand-name .brand-sub {
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    white-space: normal;
    line-height: 1.3;
  }

  .service-tile {
    min-height: 300px;
  }

  .menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(7, 24, 40, 0.5);
    z-index: 4490;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .menu-overlay.open {
    opacity: 1;
    visibility: visible;
  }

  .grid-2,
  .grid-3,
  .product-layout,
  .about-split,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .product-gallery {
    position: static;
  }

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

@media (max-width: 600px) {
  .grid-4,
  .service-strip,
  .philosophy-grid,
  .why-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .service-tile {
    min-height: 280px;
    aspect-ratio: 4 / 3;
  }

  .section {
    padding: 3.5rem 0;
  }

  .hero-content h1 {
    font-size: 1.85rem;
  }

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