/*
Theme Name: Anvina Soft Theme
Theme URI: https://anvina.net
Author: Anvinasoft Engineering Team
Author URI: https://anvina.net
Description: Theme WordPress chuyên nghiệp cho Anvina Soft v2.0 - Đa ngôn ngữ (English/Tiếng Việt/日本語/Deutsch). Thiết kế hiện đại với bảng màu xanh dương-xanh lục gradient. Mặc định tiếng Anh, chuyển ngôn ngữ qua URL parameter ?lang=vi|ja|de. Built-in language switcher, không cần plugin.
Version: 2.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: anvinasoft
Tags: one-column, custom-menu, featured-images, translation-ready, custom-logo
*/

/* === RESET & BASE === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* Bảng màu chính - lấy từ logo Anvina */
  --anvina-blue: #0099FF;
  --anvina-blue-dark: #0066CC;
  --anvina-blue-deeper: #004499;
  --anvina-green: #00B050;
  --anvina-green-dark: #008C3E;
  --anvina-green-light: #33CC66;
  --anvina-gradient: linear-gradient(135deg, #0099FF 0%, #0066CC 40%, #00B050 100%);
  --anvina-gradient-reverse: linear-gradient(135deg, #00B050 0%, #0066CC 50%, #0099FF 100%);
  --anvina-gradient-hero: linear-gradient(160deg, #001B3A 0%, #003366 30%, #004D80 60%, #006633 100%);
  --anvina-gradient-soft: linear-gradient(135deg, #E6F4FF 0%, #E6FFF0 100%);

  /* Màu nền & văn bản */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F5F9FC;
  --bg-dark: #0A1628;
  --bg-dark-card: #121F36;
  --text-primary: #1A2332;
  --text-secondary: #5A6B7F;
  --text-light: #8A9BB0;
  --text-white: #FFFFFF;

  /* Khoảng cách */
  --section-padding: 100px 0;
  --container-width: 1280px;

  /* Bo góc */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;

  /* Đổ bóng */
  --shadow-card: 0 4px 20px rgba(0, 102, 204, 0.08);
  --shadow-card-hover: 0 12px 40px rgba(0, 102, 204, 0.15);
  --shadow-btn: 0 4px 15px rgba(0, 153, 255, 0.3);

  /* Chuyển động */
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Font */
  --font-heading: 'Plus Jakarta Sans', 'Segoe UI', sans-serif;
  --font-body: 'Be Vietnam Pro', 'Segoe UI', sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; transition: var(--transition-base); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

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

/* === HEADER / ĐIỀU HƯỚNG === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-base);
  padding: 16px 0;
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 30px rgba(0, 0, 0, 0.08);
  padding: 10px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-logo img {
  height: 45px;
  width: auto;
  transition: var(--transition-base);
}

.site-logo .logo-text {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  background: var(--anvina-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

/* Menu chính */
.main-nav { display: flex; align-items: center; gap: 6px; }

.main-nav a,
.main-nav .menu-item > span {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-white);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition-base);
  cursor: pointer;
  position: relative;
}

.site-header.scrolled .main-nav a,
.site-header.scrolled .main-nav .menu-item > span {
  color: var(--text-primary);
}

.main-nav a:hover,
.main-nav .menu-item:hover > span {
  background: rgba(0, 153, 255, 0.1);
  color: var(--anvina-blue);
}

/* Dropdown menu */
.menu-item { position: relative; }

.menu-item .dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 260px;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
  padding: 12px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
  border: 1px solid rgba(0, 153, 255, 0.08);
}

.menu-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(4px);
}

.dropdown a {
  display: block;
  padding: 10px 16px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary) !important;
  border-radius: var(--radius-sm);
}

.dropdown a:hover {
  background: var(--anvina-gradient-soft);
  color: var(--anvina-blue) !important;
}

/* Nút CTA header */
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--anvina-gradient);
  color: white !important;
  font-weight: 700;
  font-size: 0.88rem;
  border-radius: 50px;
  box-shadow: var(--shadow-btn);
  transition: var(--transition-base);
}

.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 153, 255, 0.4);
}

/* Nút menu mobile */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--text-white);
  border-radius: 2px;
  transition: var(--transition-base);
}

.site-header.scrolled .mobile-toggle span {
  background: var(--text-primary);
}

/* === HERO SECTION / BANNER CHÍNH === */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--anvina-gradient-hero);
  position: relative;
  overflow: hidden;
  padding: 140px 0 100px;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(0, 153, 255, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: heroPulse 8s ease-in-out infinite;
}

.hero-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0, 176, 80, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: heroPulse 10s ease-in-out infinite reverse;
}

@keyframes heroPulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.15); opacity: 1; }
}

/* Hiệu ứng lưới nền hero */
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 153, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 153, 255, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(0, 153, 255, 0.15);
  border: 1px solid rgba(0, 153, 255, 0.25);
  border-radius: 50px;
  color: var(--anvina-blue);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--anvina-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.8rem, 5.5vw, 4.2rem);
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-title .highlight {
  background: var(--anvina-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: var(--anvina-gradient);
  color: white;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-btn);
  transition: var(--transition-base);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 153, 255, 0.4);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: transparent;
  color: white;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 50px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: var(--transition-base);
}

.btn-outline:hover {
  border-color: var(--anvina-blue);
  background: rgba(0, 153, 255, 0.1);
}

/* Thống kê nhanh trong hero */
.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stat-item {}

.hero-stat-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  background: var(--anvina-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 6px;
  font-weight: 500;
}

/* === GIÁ TRỊ CỐT LÕI === */
.values-section {
  padding: var(--section-padding);
  background: var(--bg-secondary);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--anvina-blue);
  margin-bottom: 16px;
}

.section-label::before,
.section-label::after {
  content: '';
  width: 30px;
  height: 2px;
  background: var(--anvina-gradient);
  border-radius: 1px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.section-title .text-gradient {
  background: var(--anvina-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 16px auto 0;
  line-height: 1.7;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.value-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition-base);
  border: 1px solid rgba(0, 153, 255, 0.06);
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--anvina-gradient);
  transform: scaleX(0);
  transition: var(--transition-base);
}

.value-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

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

.value-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border-radius: var(--radius-md);
  background: var(--anvina-gradient-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  transition: var(--transition-base);
}

.value-card:hover .value-icon {
  background: var(--anvina-gradient);
  transform: scale(1.1);
}

.value-card:hover .value-icon svg { color: white; }

.value-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.value-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* === DỊCH VỤ === */
.services-section {
  padding: var(--section-padding);
  background: var(--bg-primary);
}

/* Tabs dịch vụ */
.services-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 50px;
}

.service-tab {
  padding: 10px 22px;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-body);
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 2px solid transparent;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-base);
}

.service-tab:hover {
  color: var(--anvina-blue);
  border-color: var(--anvina-blue);
  background: rgba(0, 153, 255, 0.05);
}

.service-tab.active {
  background: var(--anvina-gradient);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow-btn);
}

/* Nội dung dịch vụ */
.service-content {
  display: none;
  animation: fadeInUp 0.5s ease;
}

.service-content.active { display: block; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.service-info h3 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 20px;
  line-height: 1.3;
}

.service-info p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
}

.service-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.service-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: var(--transition-base);
}

.service-feature:hover {
  background: var(--anvina-gradient-soft);
  transform: translateX(4px);
}

.service-feature .feat-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--anvina-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.service-visual {
  position: relative;
}

.service-visual-card {
  background: var(--anvina-gradient-hero);
  border-radius: var(--radius-xl);
  padding: 50px;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.service-visual-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 40%, rgba(0, 153, 255, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(0, 176, 80, 0.15) 0%, transparent 50%);
}

.service-visual-card .visual-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
}

.service-visual-card .visual-icon {
  font-size: 4rem;
  margin-bottom: 20px;
  filter: drop-shadow(0 4px 20px rgba(0, 153, 255, 0.3));
}

.service-visual-card .visual-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  font-weight: 700;
  color: var(--anvina-blue);
  font-size: 0.95rem;
}

.service-link:hover { gap: 14px; }

/* === NGÀNH NGHỀ === */
.industries-section {
  padding: var(--section-padding);
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}

.industries-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 10% 20%, rgba(0, 153, 255, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(0, 176, 80, 0.06) 0%, transparent 40%);
}

.industries-section .section-title { color: var(--text-white); }
.industries-section .section-subtitle { color: rgba(255, 255, 255, 0.6); }

.industries-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
  z-index: 2;
}

.industry-card {
  background: var(--bg-dark-card);
  border: 1px solid rgba(0, 153, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 32px 20px;
  text-align: center;
  transition: var(--transition-base);
  cursor: pointer;
}

.industry-card:hover {
  border-color: var(--anvina-blue);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 153, 255, 0.15);
  background: linear-gradient(135deg, rgba(0, 153, 255, 0.08), rgba(0, 176, 80, 0.05));
}

.industry-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
  display: block;
}

.industry-card h4 {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-white);
  line-height: 1.4;
}

/* === CÔNG NGHỆ === */
.tech-section {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

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

.tech-category {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid rgba(0, 153, 255, 0.06);
  transition: var(--transition-base);
}

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

.tech-cat-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--bg-secondary);
}

.tech-cat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--anvina-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.tech-cat-header h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-tag {
  padding: 6px 14px;
  background: var(--bg-secondary);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition-base);
}

.tech-tag:hover {
  background: var(--anvina-gradient);
  color: white;
}

/* === THỐNG KÊ / CON SỐ === */
.stats-section {
  padding: 80px 0;
  background: var(--anvina-gradient-hero);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 153, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 153, 255, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  position: relative;
  z-index: 2;
}

.stat-item { text-align: center; }

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  background: var(--anvina-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.65);
  font-weight: 500;
}

/* === KHÁCH HÀNG / ĐÁNH GIÁ === */
.testimonials-section {
  padding: var(--section-padding);
  background: var(--bg-primary);
}

.testimonial-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: 48px;
  border: 1px solid rgba(0, 153, 255, 0.08);
  box-shadow: var(--shadow-card);
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px;
  left: 36px;
  font-size: 6rem;
  font-family: Georgia, serif;
  background: var(--anvina-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.2;
  line-height: 1;
}

.testimonial-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.9;
  font-style: italic;
  margin-bottom: 28px;
  position: relative;
  z-index: 2;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.testimonial-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--anvina-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1.2rem;
}

.testimonial-meta h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

.testimonial-meta span {
  font-size: 0.85rem;
  color: var(--text-light);
}

/* === ĐỐI TÁC === */
.partners-section {
  padding: 80px 0;
  background: var(--bg-secondary);
}

.partners-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 48px;
}

.partner-item {
  padding: 20px 30px;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: var(--transition-base);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-light);
}

.partner-item:hover {
  box-shadow: var(--shadow-card-hover);
  color: var(--anvina-blue);
  transform: translateY(-4px);
}

/* === GIẢI THƯỞNG === */
.awards-section {
  padding: var(--section-padding);
  background: var(--bg-primary);
}

.awards-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.award-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 153, 255, 0.06);
  transition: var(--transition-base);
}

.award-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--anvina-blue);
}

.award-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.award-card h4 {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
}

.award-card p {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 4px;
}

/* === LIÊN HỆ / CTA === */
.cta-section {
  padding: var(--section-padding);
  background: var(--anvina-gradient-hero);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(0, 153, 255, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 50%, rgba(0, 176, 80, 0.1) 0%, transparent 50%);
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 20px;
  line-height: 1.2;
}

.cta-content p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 40px;
  line-height: 1.7;
}

/* Form liên hệ */
.contact-form {
  max-width: 560px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-form .full-width { grid-column: span 2; }

.form-input {
  width: 100%;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  color: white;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-base);
  outline: none;
}

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

.form-input:focus {
  border-color: var(--anvina-blue);
  background: rgba(0, 153, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(0, 153, 255, 0.15);
}

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

.form-submit {
  grid-column: span 2;
  padding: 16px;
  background: var(--anvina-gradient);
  color: white;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: var(--shadow-btn);
  transition: var(--transition-base);
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 153, 255, 0.4);
}

/* === FOOTER === */
.site-footer {
  background: #060D18;
  padding: 80px 0 0;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.footer-brand .footer-logo img {
  height: 40px;
  width: auto;
}

.footer-brand .footer-logo span {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  background: var(--anvina-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
  margin-bottom: 24px;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  transition: var(--transition-base);
  font-size: 0.9rem;
}

.footer-social-link:hover {
  background: var(--anvina-gradient);
  color: white;
  transform: translateY(-3px);
}

.footer-column h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: white;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
}

.footer-column h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--anvina-gradient);
  border-radius: 1px;
}

.footer-links li { margin-bottom: 12px; }

.footer-links a {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.5);
  transition: var(--transition-base);
}

.footer-links a:hover {
  color: var(--anvina-blue);
  padding-left: 6px;
}

.footer-contact-item {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-contact-item .icon {
  flex-shrink: 0;
  color: var(--anvina-blue);
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.35);
}

/* === ANIMATION HIỆU ỨNG CUỘN === */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .industries-grid { grid-template-columns: repeat(3, 1fr); }
  .tech-categories { grid-template-columns: repeat(2, 1fr); }
  .awards-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --section-padding: 70px 0; }

  .mobile-toggle { display: flex; }

  .main-nav {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 300px;
    height: 100vh;
    background: white;
    flex-direction: column;
    padding: 80px 24px 32px;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
    z-index: 999;
    gap: 4px;
    overflow-y: auto;
  }

  .main-nav.open { display: flex; }

  .main-nav a,
  .main-nav .menu-item > span {
    color: var(--text-primary) !important;
    padding: 12px 16px;
    width: 100%;
  }

  .menu-item .dropdown {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0 0 0 16px;
    display: none;
  }

  .menu-item:hover .dropdown,
  .menu-item.open .dropdown { display: block; opacity: 1; visibility: visible; transform: none; }

  .hero-section { padding: 120px 0 60px; min-height: auto; }
  .hero-title { font-size: 2.2rem; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .hero-stat-item { min-width: 120px; }

  .values-grid { grid-template-columns: 1fr; }
  .service-detail { grid-template-columns: 1fr; gap: 30px; }
  .service-features { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-categories { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .awards-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-form { grid-template-columns: 1fr; }
  .contact-form .full-width { grid-column: span 1; }
  .form-submit { grid-column: span 1; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .testimonial-card { padding: 32px 24px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 1.8rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-primary,
  .hero-actions .btn-outline { width: 100%; justify-content: center; }
  .industries-grid { grid-template-columns: 1fr; }
  .awards-grid { grid-template-columns: 1fr; }
}

/* === LANGUAGE SWITCHER / BỘ CHUYỂN NGÔN NGỮ === */
.lang-switcher {
  position: relative;
  z-index: 100;
}

.lang-current {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50px;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-white);
  transition: var(--transition-base);
}

.site-header.scrolled .lang-current {
  background: rgba(0, 153, 255, 0.06);
  border-color: rgba(0, 153, 255, 0.15);
  color: var(--text-primary);
}

.lang-current:hover {
  background: rgba(0, 153, 255, 0.12);
  border-color: var(--anvina-blue);
}

.lang-flag { font-size: 1.1rem; line-height: 1; }
.lang-code { letter-spacing: 0.5px; }
.lang-arrow { transition: var(--transition-base); }
.lang-switcher.open .lang-arrow { transform: rotate(180deg); }

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  background: white;
  border-radius: var(--radius-md);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: var(--transition-base);
  border: 1px solid rgba(0, 153, 255, 0.08);
}

.lang-switcher.open .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary) !important;
  transition: var(--transition-base);
}

.lang-option:hover {
  background: var(--anvina-gradient-soft);
  color: var(--anvina-blue) !important;
}

.lang-option.lang-active {
  background: var(--anvina-gradient-soft);
  color: var(--anvina-blue) !important;
  font-weight: 700;
}

.lang-option .lang-name { flex: 1; }
.lang-option svg { color: var(--anvina-green); }

/* Mobile: language switcher trong menu */
@media (max-width: 768px) {
  .lang-switcher {
    width: 100%;
    margin-top: 8px;
    padding-top: 12px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
  }
  .lang-current {
    width: 100%;
    justify-content: center;
    color: var(--text-primary) !important;
    background: var(--bg-secondary);
    border-color: transparent;
  }
  .lang-dropdown {
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 8px 0;
    display: none;
  }
  .lang-switcher.open .lang-dropdown {
    display: block;
    opacity: 1;
    visibility: visible;
  }
}

/* === VERSION INFO === */
/* Theme Version: 2.0.0 - Multilingual (EN/VI/JA/DE) */