/* ========================================================================
   ALUWELL Landing Page - Modern Industrial B2B Style
   ========================================================================= */

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #0f203a;        /* deep navy */
  --color-primary-light: #1a3460;
  --color-accent: #ff6b1a;         /* industrial orange */
  --color-accent-hover: #e85a0c;
  --color-secondary: #244878;      /* mid blue */
  --color-text: #1f2a3a;
  --color-text-light: #5a6478;
  --color-text-muted: #8892a4;
  --color-border: #e3e7ee;
  --color-bg: #ffffff;
  --color-bg-light: #f7f9fc;
  --color-bg-dark: #0f203a;
  --color-white: #ffffff;
  --shadow-sm: 0 2px 6px rgba(15, 32, 58, 0.06);
  --shadow-md: 0 6px 20px rgba(15, 32, 58, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 32, 58, 0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1400px;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

.section-padding {
  padding: 90px 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}

.section-header.light {
  color: var(--color-white);
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2.5px;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-header.light .section-tag {
  color: #ffaa6b;
}

.section-title {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: 18px;
  letter-spacing: -0.5px;
}

.section-header.light .section-title {
  color: var(--color-white);
}

.section-subtitle {
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text-light);
}

.section-header.light .section-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

/* ---------- Buttons ---------- */
.btn-primary,
.btn-ghost,
.btn-quote {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-body);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 107, 26, 0.35);
}

.btn-primary.btn-block {
  width: 100%;
  justify-content: center;
  margin-top: 20px;
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-ghost:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn-quote {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 700;
}

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

/* ---------- Top Bar ---------- */
.top-bar {
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 13px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.top-bar-tag {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  letter-spacing: 0.5px;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-switch a {
  color: rgba(255, 255, 255, 0.65);
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 3px;
  transition: var(--transition);
}

.lang-switch a:hover,
.lang-switch a.active {
  color: var(--color-white);
  background-color: var(--color-accent);
}

/* ---------- Main Header ---------- */
.main-header {
  background-color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 24px;
}

.logo img {
  height: 56px;
  width: auto;
}

.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

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

.nav-list > li {
  position: relative;
}

.nav-list > li > a {
  display: block;
  padding: 12px 16px;
  /* font-size: 14px; */
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.3px;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-list > li > a i {
  font-size: 10px;
  margin-left: 4px;
  transition: var(--transition);
}

.nav-list > li:hover > a,
.nav-list > li > a.active {
  color: var(--color-accent);
}

.has-dropdown:hover > a i {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  background-color: var(--color-white);
  box-shadow: var(--shadow-lg);
  border-top: 3px solid var(--color-accent);
  padding: 12px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 100;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.has-dropdown:hover > .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: block;
  padding: 10px 24px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.dropdown-menu li a:hover {
  background-color: var(--color-bg-light);
  color: var(--color-accent);
  border-left-color: var(--color-accent);
  padding-left: 30px;
}

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

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  font-size: 22px;
  color: var(--color-primary);
  cursor: pointer;
  padding: 6px 10px;
}

/* ---------- Hero / Banner Section ---------- */
.hero-section {
  position: relative;
  overflow: hidden;
}

.hero-swiper {
  width: 100%;
  height: 640px;
}

.banner-slide {
  width: 100%;
  height: 640px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  position: relative;
}

.banner-slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15, 32, 58, 0.6) 0%, transparent 60%);
  pointer-events: none;
}

.banner-content {
  position: relative;
  z-index: 2;
  max-width: 790px;
  color: var(--color-white);
  padding: 60px 0;
}

.banner-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2.5px;
  color: #ffaa6b;
  text-transform: uppercase;
  margin-bottom: 22px;
  padding: 6px 14px;
  background-color: rgba(255, 107, 26, 0.18);
  border-radius: 4px;
  border-left: 3px solid var(--color-accent);
}

.banner-title {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 22px;
  letter-spacing: -1px;
}

.banner-desc {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  max-width: 600px;
}

.banner-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

.banner-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 6px;
}

.stat span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* Swiper navigation */
.hero-pagination {
  bottom: 30px !important;
}

.hero-pagination .swiper-pagination-bullet {
  width: 36px;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.4);
  border-radius: 2px;
  opacity: 1;
  transition: var(--transition);
}

.hero-pagination .swiper-pagination-bullet-active {
  background-color: var(--color-accent);
  width: 56px;
}

.hero-next,
.hero-prev {
  color: var(--color-white) !important;
  background-color: rgba(255, 255, 255, 0.08);
  width: 56px !important;
  height: 56px !important;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.hero-next::after,
.hero-prev::after {
  font-size: 18px !important;
  font-weight: bold;
}

.hero-next:hover,
.hero-prev:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ---------- Service Section ---------- */
.service-section {
  background-color: var(--color-bg-light);
  position: relative;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--color-border);
}

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

.service-image {
  height: 280px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.service-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(15, 32, 58, 0.4) 100%);
}

.service-body {
  padding: 28px 28px 32px;
}

.service-body h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 14px;
  letter-spacing: 0.3px;
}

.service-body p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 18px;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.service-link:hover {
  gap: 14px;
  color: var(--color-accent-hover);
}

/* ---------- Product Section ---------- */
.product-section {
  background-color: var(--color-white);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  position: relative;
  display: block;
  height: 280px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  cursor: pointer;
}

.product-image {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}

.product-card:hover .product-image {
  transform: scale(1.08);
}

.product-overlay {
  position: absolute;
  inset: 0;
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: var(--color-white);
  background: linear-gradient(180deg, rgba(15, 32, 58, 0) 0%, rgba(15, 32, 58, 0.4) 40%, rgba(15, 32, 58, 0.9) 100%);
  transition: var(--transition);
}

.product-cat {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.product-overlay h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
  transform: translateY(8px);
  transition: var(--transition);
}

.product-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0;
  transform: translateY(8px);
  transition: var(--transition);
}

.product-card:hover .product-overlay {
  background: linear-gradient(180deg, rgba(15, 32, 58, 0.3) 0%, rgba(15, 32, 58, 0.7) 40%, rgba(15, 32, 58, 0.95) 100%);
}

.product-card:hover .product-overlay h3,
.product-card:hover .product-cta {
  transform: translateY(0);
  opacity: 1;
}

/* ---------- Advantage Section ---------- */
.advantage-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  position: relative;
  overflow: hidden;
}

.advantage-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  background-color: rgba(255, 107, 26, 0.06);
  border-radius: 50%;
}

.advantage-section::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 500px;
  height: 500px;
  background-color: rgba(36, 72, 120, 0.2);
  border-radius: 50%;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.advantage-card {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  color: var(--color-white);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.advantage-card:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--color-accent);
  transform: translateY(-6px);
}

.advantage-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-accent) 0%, #ff8c42 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.advantage-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-white);
}

.advantage-card p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- Company Section ---------- */
.company-section {
  background-color: var(--color-bg-light);
}

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

.company-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.company-image img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.company-badge {
  position: absolute;
  bottom: 30px;
  left: 30px;
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 18px 24px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.company-badge strong {
  display: block;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
}

.company-badge span {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.company-content .section-tag {
  margin-bottom: 12px;
}

.company-content .section-title {
  margin-bottom: 22px;
  text-align: left;
}

.company-lead {
  font-size: 17px;
  color: var(--color-text);
  margin-bottom: 20px;
  line-height: 1.7;
}

.company-quote {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-accent);
  padding: 18px 24px;
  background-color: rgba(255, 107, 26, 0.08);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
  margin-bottom: 22px;
  font-style: italic;
}

.company-content p {
  color: var(--color-text-light);
  margin-bottom: 18px;
  line-height: 1.8;
}

.company-features {
  margin: 24px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
}

.company-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--color-text);
  font-weight: 500;
}

.company-features i {
  color: var(--color-accent);
  font-size: 16px;
  flex-shrink: 0;
}

.company-mission {
  padding: 18px 22px;
  background-color: var(--color-white);
  border-left: 4px solid var(--color-secondary);
  border-radius: var(--radius-sm);
  margin: 24px 0;
  font-size: 15px;
  color: var(--color-text);
}

/* ---------- Certificates Section ---------- */
.cert-section {
  background-color: var(--color-white);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cert-card {
  background-color: var(--color-bg-light);
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: var(--transition);
}

.cert-card:hover {
  background-color: var(--color-white);
  border-color: var(--color-accent);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.cert-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--color-white);
}

.cert-card h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.cert-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-light);
}

/* ---------- Contact Section ---------- */
.contact-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: -100px;
  transform: translateY(-50%);
  width: 400px;
  height: 400px;
  background-color: rgba(255, 107, 26, 0.05);
  border-radius: 50%;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: start;
  position: relative;
  z-index: 1;
}

.contact-info .section-tag.light {
  color: #ffaa6b;
}

.contact-info .section-title {
  color: var(--color-white);
  margin-bottom: 16px;
  text-align: left;
}

.contact-lead {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 36px;
  line-height: 1.7;
}

.contact-list {
  margin-bottom: 36px;
}

.contact-list li {
  display: flex;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  align-items: flex-start;
}

.contact-list li:last-child {
  border-bottom: none;
}

.contact-list li i {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: rgba(255, 107, 26, 0.15);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.contact-list li strong {
  display: block;
  color: var(--color-white);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
  font-weight: 600;
}

.contact-list li a,
.contact-list li span {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  line-height: 1.6;
  display: block;
}

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

.contact-social {
  display: flex;
  gap: 12px;
}

.contact-social a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: var(--transition);
}

.contact-social a:hover {
  background-color: var(--color-accent);
  transform: translateY(-3px);
}

.contact-form-wrap {
  background-color: var(--color-white);
  padding: 40px 36px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.contact-form h3 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 24px;
}

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

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(255, 107, 26, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 110px;
}

/* ---------- Footer ---------- */
.site-footer {
  background-color: #0a1628;
  color: rgba(255, 255, 255, 0.7);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
}

.footer-logo img {
  height: 50px;
  width: auto;
  margin-bottom: 22px;
}

.footer-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 18px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.footer-title a {
  color: var(--color-white);
}

.footer-about p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 18px;
  color: rgba(255, 255, 255, 0.65);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact li i {
  color: var(--color-accent);
  margin-top: 4px;
  flex-shrink: 0;
}

.footer-contact li a {
  color: rgba(255, 255, 255, 0.7);
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links li a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: var(--transition);
  display: inline-block;
}

.footer-links li a:hover {
  color: var(--color-accent);
  transform: translateX(4px);
}

.footer-newsletter {
  display: flex;
  background-color: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 20px;
}

.footer-newsletter input {
  flex: 1;
  padding: 12px 16px;
  background: transparent;
  border: none;
  color: var(--color-white);
  font-size: 14px;
  outline: none;
  font-family: var(--font-body);
}

.footer-newsletter input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.footer-newsletter button {
  background-color: var(--color-accent);
  color: var(--color-white);
  border: none;
  padding: 0 18px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
}

.footer-newsletter button:hover {
  background-color: var(--color-accent-hover);
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
}

.footer-social a:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links li a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

.footer-bottom-links li a:hover {
  color: var(--color-accent);
}

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  right: 30px;
  bottom: 30px;
  width: 48px;
  height: 48px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(255, 107, 26, 0.4);
}

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

.back-to-top:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-4px);
}

/* ---------- Floating Sidebar ---------- */
.floating-sidebar {
  position: fixed;
  right: 18px;
  bottom: 90px;
  z-index: 950;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}

.fsb-item {
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--color-white);
  cursor: pointer;
  border: none;
  box-shadow: 0 6px 18px rgba(15, 32, 58, 0.22);
  transition: var(--transition);
  text-decoration: none;
}

.fsb-item:hover {
  transform: translateY(-3px) scale(1.06);
}

.fsb-whatsapp {
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
}

.fsb-whatsapp:hover {
  box-shadow: 0 10px 24px rgba(37, 211, 102, 0.45);
}

.fsb-email {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}

.fsb-email:hover {
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.45);
}

.fsb-inquiry {
  background: linear-gradient(135deg, var(--color-accent) 0%, #ff8c42 100%);
}

.fsb-inquiry:hover {
  box-shadow: 0 10px 24px rgba(255, 107, 26, 0.45);
}

.fsb-top {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  font-size: 18px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
}

.fsb-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.fsb-top:hover {
  box-shadow: 0 10px 24px rgba(15, 32, 58, 0.45);
}

.fsb-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  pointer-events: none;
}

.fsb-tooltip::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 50%;
  transform: translateY(-50%);
  border-width: 5px 0 5px 5px;
  border-style: solid;
  border-color: transparent transparent transparent var(--color-primary);
}

.fsb-item:hover .fsb-tooltip {
  opacity: 1;
  visibility: visible;
}

/* subtle pulse to grab attention on the inquiry button */
.fsb-inquiry {
  animation: fsb-pulse 2.4s ease-out infinite;
}

@keyframes fsb-pulse {
  0% { box-shadow: 0 6px 18px rgba(15, 32, 58, 0.22), 0 0 0 0 rgba(255, 107, 26, 0.55); }
  70% { box-shadow: 0 6px 18px rgba(15, 32, 58, 0.22), 0 0 0 14px rgba(255, 107, 26, 0); }
  100% { box-shadow: 0 6px 18px rgba(15, 32, 58, 0.22), 0 0 0 0 rgba(255, 107, 26, 0); }
}

/* ---------- Inquiry Modal ---------- */
.inquiry-modal {
  position: fixed;
  inset: 0;
  z-index: 1100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.inquiry-modal.open {
  display: flex;
  animation: inquiry-fade 0.25s ease-out;
}

@keyframes inquiry-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.inquiry-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 32, 58, 0.65);
  backdrop-filter: blur(4px);
}

.inquiry-modal-dialog {
  position: relative;
  width: 100%;
  max-width: 620px;
  max-height: calc(100vh - 48px);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(15, 32, 58, 0.45);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: inquiry-pop 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes inquiry-pop {
  from { transform: translateY(20px) scale(0.96); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

.inquiry-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(15, 32, 58, 0.06);
  border: none;
  color: #fff;
  font-size: 24px;
  font-weight: 300;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: var(--transition);
}

.inquiry-modal-close:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
  transform: rotate(90deg);
}

.inquiry-modal-header {
  padding: 32px 36px 18px;
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
}

.inquiry-modal-header .section-tag {
  color: #ffaa6b;
  margin-bottom: 10px;
}

.inquiry-modal-header h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-white);
}

.inquiry-modal-header p {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.inquiry-modal-body {
  padding: 24px 36px 32px;
  overflow-y: auto;
}

.inquiry-modal-body .contact-form h3 {
  display: none;
}

.inquiry-modal-body .form-row {
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.inquiry-modal-body .form-group {
  margin-bottom: 14px;
}

/* prevent body scroll while modal is open */
body.modal-open {
  overflow: hidden;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .service-grid,
  .advantage-grid,
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .company-grid {
    grid-template-columns: 1fr;
  }
  .company-image img {
    height: 360px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .section-padding {
    padding: 60px 0;
  }
  .section-title {
    font-size: 30px;
  }
  .banner-title {
    font-size: 36px;
  }
  .banner-desc {
    font-size: 16px;
  }
  .hero-swiper,
  .banner-slide {
    height: 540px;
  }
  .banner-stats {
    gap: 28px;
  }
  .stat strong {
    font-size: 28px;
  }
  .nav-list {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 24px 30px;
    gap: 0;
    overflow-y: auto;
    transition: right 0.4s ease;
    z-index: 999;
    box-shadow: var(--shadow-lg);
  }
  .nav-list.open {
    right: 0;
  }
  .nav-list > li {
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }
  .nav-list > li > a {
    padding: 14px 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border-top: none;
    padding: 0 0 12px 16px;
    display: none;
    background-color: var(--color-bg-light);
    border-radius: var(--radius-sm);
    margin-top: 8px;
  }
  .has-dropdown.open .dropdown-menu {
    display: block;
  }
  .mobile-toggle {
    display: block;
  }
  .btn-quote {
    display: none;
  }
  .top-bar-tag {
    font-size: 11px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .service-grid,
  .advantage-grid,
  .cert-grid {
    grid-template-columns: 1fr;
  }
  .product-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .company-features {
    grid-template-columns: 1fr;
  }
  .company-content .section-title {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 18px;
  }
  .banner-title {
    font-size: 30px;
  }
  .banner-stats {
    gap: 20px;
  }
  .stat strong {
    font-size: 24px;
  }
  .stat span {
    font-size: 11px;
  }
  .section-title {
    font-size: 26px;
  }
  .contact-form-wrap {
    padding: 28px 22px;
  }
  .floating-sidebar {
    right: 12px;
    bottom: 80px;
    gap: 8px;
  }
  .fsb-item {
    width: 46px;
    height: 46px;
    font-size: 19px;
  }
  .fsb-tooltip {
    display: none;
  }
  .inquiry-modal {
    padding: 12px;
  }
  .inquiry-modal-dialog {
    max-height: calc(100vh - 24px);
  }
  .inquiry-modal-header {
    padding: 26px 24px 16px;
  }
  .inquiry-modal-header h3 {
    font-size: 20px;
  }
  .inquiry-modal-body {
    padding: 20px 24px 26px;
  }
  .inquiry-modal-body .form-row {
    grid-template-columns: 1fr;
  }
}