/* ==========================================================================
   MEVI NETWORK - OFFICIAL LANDING PAGE STYLESHEET
   Design Fidelity: 100% Matching Adobe Illustrator Package
   Optimized for Ultra-Fast Delivery, 60fps Smooth Scroll, & Clean Modern UI
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. FONT DEFINITIONS (@font-face)
   -------------------------------------------------------------------------- */
@font-face {
  font-family: 'Gesco';
  src: url('../assets/fonts/1FTV-HF-Gesco.ttf') format('truetype');
  font-weight: 700 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'UTM Avo';
  src: url('../assets/fonts/UTM AvoBold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Myriad Pro';
  src: url('../assets/fonts/MyriadPro-Regular.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* --------------------------------------------------------------------------
   2. DESIGN TOKENS & CSS VARIABLES
   -------------------------------------------------------------------------- */
:root {
  /* Brand Color Palette */
  --color-brand-yellow: #F6BC25;
  --color-brand-yellow-light: #FCE17B;
  --color-brand-yellow-bg: #F5E598;
  --color-brand-yellow-soft: #FFF8DB;
  --color-brand-yellow-cream: #FEF9E7;
  
  --color-brand-green: #0C4B2E;
  --color-brand-green-dark: #073822;
  --color-brand-green-light: #16653E;
  --color-brand-green-accent: #1C6238;
  
  --color-gold-gradient-start: #F9CF38;
  --color-gold-gradient-end: #EAB31A;
  
  --color-white: #FFFFFF;
  --color-dark: #1A1A1A;
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-400: #9CA3AF;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  
  /* Typography Tokens */
  --font-display: 'Gesco', 'UTM Avo', 'Montserrat', -apple-system, sans-serif;
  --font-heading: 'UTM Avo', 'Montserrat', sans-serif;
  --font-body: 'Myriad Pro', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  /* Elevation & Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 35px rgba(12, 75, 46, 0.15);
  --shadow-card: 0 12px 30px rgba(246, 188, 37, 0.22);
  --shadow-glow: 0 0 20px rgba(246, 188, 37, 0.5);

  /* Layout Constants */
  --container-max-width: 1400px;
  --container-wide: 1600px;
  --header-height: 84px;
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --border-radius-xl: 36px;
  
  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --------------------------------------------------------------------------
   3. BASE RESET & GLOBAL STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-brand-green);
  background-color: #FFFFFF;
  line-height: 1.6;
  overflow-x: hidden;
}

img, picture, svg, video {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button, input, textarea, select {
  font: inherit;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
  background: none;
}

ul, ol {
  list-style: none;
}

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

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

/* Section Title Typography matching Illustrator */
.section-title-wrap {
  text-align: center;
  margin-bottom: 48px;
  position: relative;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(32px, 3.2vw, 52px);
  font-weight: 700;
  color: var(--color-brand-green);
  letter-spacing: 1px;
  text-transform: uppercase;
  display: inline-block;
  position: relative;
  padding-bottom: 14px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 84px;
  height: 4px;
  background-color: var(--color-brand-green);
  border-radius: 2px;
}

.section-subtitle {
  margin-top: 14px;
  font-size: 1.15rem;
  color: var(--color-gray-600);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

/* --------------------------------------------------------------------------
   4. NAVIGATION BAR (STICKY HEADER)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--color-brand-yellow);
  z-index: 1000;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.site-header.is-scrolled {
  background-color: rgba(246, 188, 37, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  height: 74px;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header-logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 100%;
}

.header-logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.header-logo-link:hover .header-logo-img {
  transform: scale(1.04);
}

/* Nav Menu Items */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--color-brand-green);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0%;
  height: 3px;
  background-color: var(--color-brand-green);
  border-radius: 2px;
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-brand-green-dark);
}

.header-cta-btn {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  padding: 10px 24px;
  border-radius: 999px;
  background-color: var(--color-brand-green);
  color: var(--color-brand-yellow);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.header-cta-btn:hover {
  background-color: var(--color-brand-green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(12, 75, 46, 0.3);
}

/* Hamburger button for mobile */
.menu-toggle-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 32px;
  height: 24px;
  background: transparent;
  cursor: pointer;
  z-index: 1010;
}

.menu-toggle-btn span {
  width: 100%;
  height: 3px;
  background-color: var(--color-brand-green);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.menu-toggle-btn.is-active span:nth-child(1) {
  transform: translateY(10.5px) rotate(45deg);
}

.menu-toggle-btn.is-active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle-btn.is-active span:nth-child(3) {
  transform: translateY(-10.5px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   5. HERO BANNER SECTION (100% Matching BÌA MEVI)
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  background-color: #074C35;
  width: 100%;
  overflow: hidden;
  box-shadow: inset 0 -10px 30px rgba(0, 0, 0, 0.2);
}

.hero-banner-wrapper {
  position: relative;
  width: 100%;
  max-width: 1920px;
  margin: 0 auto;
}

.hero-banner-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Interactive click spots on hero banner for accessibility & rich UX */
.hero-contact-bar {
  position: absolute;
  bottom: 3.5%;
  left: 8%;
  display: flex;
  align-items: center;
  gap: 32px;
  font-family: var(--font-heading);
  font-size: clamp(12px, 1.4vw, 20px);
  font-weight: 700;
  color: #FFFFFF;
}

.hero-contact-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #FFFFFF;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.hero-contact-item:hover {
  color: var(--color-brand-yellow);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   6. SECTION: VỀ CHÚNG TÔI (ABOUT US)
   -------------------------------------------------------------------------- */
.section-about {
  padding: 80px 0 60px;
  background: linear-gradient(180deg, #FFFFFF 0%, #FEF9E7 100%);
  position: relative;
}

.about-intro-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 70px;
}

.about-intro-text {
  font-size: 1.25rem;
  line-height: 1.85;
  color: var(--color-brand-green);
  text-align: justify;
}

.about-intro-text p + p {
  margin-top: 20px;
}

.about-intro-text strong {
  color: var(--color-brand-green-dark);
  font-weight: 700;
}

.about-card-wrapper {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.about-card-wrapper:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.18);
}

.about-card-graphic {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius-xl);
}

/* Vision Block (TẦM NHÌN) */
.vision-block {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  margin-bottom: 60px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  border-left: 6px solid var(--color-brand-green);
}

.vision-heading {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-brand-green);
  margin-bottom: 20px;
}

.vision-icon {
  width: 38px;
  height: 38px;
  fill: var(--color-brand-green);
}

.vision-desc {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--color-brand-green);
  text-align: justify;
}

.vision-desc p + p {
  margin-top: 16px;
}

/* Core Values Grid (GIÁ TRỊ NỀN TẢNG) */
.core-values-section {
  margin-top: 50px;
}

.core-values-title {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-brand-green);
  margin-bottom: 32px;
}

.core-values-icon {
  width: 34px;
  height: 34px;
  fill: var(--color-brand-green);
}

.core-values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.value-card {
  position: relative;
  background: linear-gradient(135deg, #FFFFFF 0%, #FEF7D6 100%);
  border-radius: var(--border-radius-md);
  padding: 36px 32px;
  box-shadow: 0 8px 24px rgba(246, 188, 37, 0.15);
  border: 1.5px solid rgba(246, 188, 37, 0.5);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.value-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(246, 188, 37, 0.28);
  border-color: var(--color-brand-yellow);
}

.value-number-badge {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-brand-yellow);
  color: var(--color-brand-green);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(246, 188, 37, 0.4);
}

.value-card-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-brand-green);
  margin-bottom: 14px;
  padding-right: 50px;
}

.value-card-desc {
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--color-brand-green);
  text-align: justify;
}

/* --------------------------------------------------------------------------
   7. SECTION: HỆ SINH THÁI (STATS & METRICS)
   -------------------------------------------------------------------------- */
.section-ecosystem {
  padding: 80px 0 60px;
  background-color: #FFFFFF;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 40px;
}

.stat-card {
  background: linear-gradient(180deg, #FFFFFF 0%, #FEF8DC 100%);
  border: 2px solid rgba(246, 188, 37, 0.45);
  border-radius: var(--border-radius-lg);
  padding: 42px 24px;
  text-align: center;
  box-shadow: 0 12px 28px rgba(246, 188, 37, 0.16);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-brand-yellow);
  box-shadow: 0 20px 40px rgba(246, 188, 37, 0.28);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(38px, 4vw, 58px);
  font-weight: 700;
  color: var(--color-brand-green);
  line-height: 1.1;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.stat-number-plus {
  color: var(--color-brand-yellow);
}

.stat-label {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-brand-green);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --------------------------------------------------------------------------
   8. SECTION: ĐA LĨNH VỰC (FANPAGE SHOWCASE)
   -------------------------------------------------------------------------- */
.section-channels {
  padding: 70px 0 80px;
  background-color: #FFFFFF;
}

.channels-container-box {
  background: linear-gradient(135deg, #F8CB29 0%, #F4BD21 100%);
  border-radius: var(--border-radius-xl);
  padding: 50px 36px 60px;
  box-shadow: 0 20px 50px rgba(246, 188, 37, 0.35);
  position: relative;
}

/* Filter buttons bar */
.channels-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.filter-btn {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 999px;
  background-color: rgba(255, 255, 255, 0.35);
  color: var(--color-brand-green-dark);
  transition: all var(--transition-fast);
  backdrop-filter: blur(4px);
}

.filter-btn:hover {
  background-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-2px);
}

.filter-btn.active {
  background-color: var(--color-brand-green);
  color: var(--color-brand-yellow);
  box-shadow: 0 4px 14px rgba(12, 75, 46, 0.3);
}

/* Channels Carousel Track */
.channels-carousel-wrapper {
  position: relative;
  overflow: hidden;
  padding: 10px 4px;
}

.channels-track {
  display: flex;
  gap: 24px;
  transition: transform 0.45s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

/* Phone Mockup Frame (Pixel-perfect matching Illustrator design) */
.phone-mockup-card {
  flex: 0 0 calc(33.333% - 16px);
  min-width: 290px;
  background-color: #FFFFFF;
  border-radius: 36px;
  padding: 12px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.18);
  border: 4px solid #FFFFFF;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
}

.phone-mockup-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.25);
}

.phone-screen-inner {
  border-radius: 28px;
  overflow: hidden;
  position: relative;
  background-color: #F8F9FA;
  aspect-ratio: 9 / 19.5;
}

.phone-screen-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.4s ease;
}

.phone-mockup-card:hover .phone-screen-img {
  transform: scale(1.03);
}

/* Carousel Navigation Arrows */
.carousel-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: var(--color-brand-green);
  color: var(--color-brand-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  z-index: 10;
  transition: all var(--transition-fast);
}

.carousel-nav-btn:hover {
  background-color: var(--color-brand-green-dark);
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.carousel-nav-btn.prev {
  left: 10px;
}

.carousel-nav-btn.next {
  right: 10px;
}

/* --------------------------------------------------------------------------
   9. SECTION: DỊCH VỤ CỦA CHÚNG TÔI (SERVICES 01 - 05)
   -------------------------------------------------------------------------- */
.section-services {
  padding: 80px 0;
  background: linear-gradient(180deg, #FFFFFF 0%, #FFFBEA 100%);
}

/* Active Service Display Card */
.service-detail-box {
  background: linear-gradient(135deg, #F8CB29 0%, #F4BC20 100%);
  border-radius: var(--border-radius-xl);
  padding: 50px;
  box-shadow: 0 16px 40px rgba(246, 188, 37, 0.3);
  margin-bottom: 40px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.service-header-row {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-bottom: 24px;
}

.service-big-number {
  font-family: var(--font-heading);
  font-size: clamp(48px, 5.5vw, 84px);
  font-weight: 700;
  color: var(--color-brand-green);
  line-height: 1;
}

.service-title-text {
  font-family: var(--font-heading);
  font-size: clamp(24px, 2.8vw, 42px);
  font-weight: 700;
  color: var(--color-brand-green);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.service-description {
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--color-brand-green);
  max-width: 1100px;
  margin-bottom: 30px;
  text-align: justify;
}

.service-description p + p {
  margin-top: 14px;
}

.service-cta-btn {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-brand-green);
  background-color: #FFFFFF;
  padding: 12px 32px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  align-self: flex-start;
  transition: all var(--transition-fast);
}

.service-cta-btn:hover {
  background-color: var(--color-brand-green);
  color: var(--color-brand-yellow);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(12, 75, 46, 0.3);
}

/* Service 5-Buttons Grid (01 to 05) matching design */
/* Service 5-Buttons Grid (01 to 05) matching Illustrator 3-top + 2-bottom design */
.services-selector-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  max-width: 1050px;
  margin: 0 auto;
}

.service-tab-btn {
  background-color: var(--color-brand-green);
  border-radius: var(--border-radius-md);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  text-align: left;
}

.service-tab-btn:nth-child(1),
.service-tab-btn:nth-child(2),
.service-tab-btn:nth-child(3) {
  grid-column: span 2;
}

.service-tab-btn:nth-child(4) {
  grid-column: 2 / span 2;
}

.service-tab-btn:nth-child(5) {
  grid-column: 4 / span 2;
}

@media (max-width: 991px) {
  .services-selector-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-tab-btn:nth-child(1),
  .service-tab-btn:nth-child(2),
  .service-tab-btn:nth-child(3),
  .service-tab-btn:nth-child(4) {
    grid-column: span 1;
  }
  .service-tab-btn:nth-child(5) {
    grid-column: 1 / -1;
    max-width: 380px;
    margin: 0 auto;
    width: 100%;
  }
}

@media (max-width: 576px) {
  .services-selector-grid {
    grid-template-columns: 1fr;
  }
  .service-tab-btn:nth-child(1),
  .service-tab-btn:nth-child(2),
  .service-tab-btn:nth-child(3),
  .service-tab-btn:nth-child(4),
  .service-tab-btn:nth-child(5) {
    grid-column: span 1 !important;
  }
}

.service-tab-btn:hover {
  background-color: var(--color-brand-green-dark);
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(12, 75, 46, 0.25);
}

.service-tab-btn.active {
  background-color: var(--color-brand-green-dark);
  border-color: var(--color-brand-yellow);
  box-shadow: 0 8px 24px rgba(246, 188, 37, 0.4);
  transform: translateY(-4px);
}

.service-tab-number {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-brand-yellow);
  line-height: 1;
}

.service-tab-text {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-brand-yellow);
  line-height: 1.25;
}

/* --------------------------------------------------------------------------
   10. SECTION: ĐỐI TÁC (PARTNERS & CASE STUDIES)
   -------------------------------------------------------------------------- */
.section-partners {
  padding: 80px 0;
  background-color: #FFFFFF;
}

/* Active Partner Showcase Card */
.partner-showcase-box {
  background: linear-gradient(135deg, #FEF5C8 0%, #FCEB9C 100%);
  border-radius: var(--border-radius-xl);
  padding: 48px;
  box-shadow: 0 16px 40px rgba(246, 188, 37, 0.25);
  margin-bottom: 40px;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 48px;
  align-items: center;
  border: 2px solid rgba(246, 188, 37, 0.4);
}

.partner-logo-display {
  background-color: #FFFFFF;
  border-radius: var(--border-radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  border: 3px solid var(--color-brand-green);
  aspect-ratio: 4 / 3;
}

.partner-logo-display img {
  max-width: 85%;
  max-height: 85%;
  object-fit: contain;
}

.partner-info-pane {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.partner-tag {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-brand-green);
  text-transform: uppercase;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.partner-name {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 700;
  color: var(--color-brand-green);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.partner-campaign-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-brand-green-dark);
  margin-bottom: 14px;
}

.partner-campaign-desc {
  font-size: 1.15rem;
  line-height: 1.75;
  color: var(--color-brand-green);
  text-align: justify;
}

/* Partner Logo Bar (10 Brand Buttons) */
.partners-logo-bar {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 12px;
}

.partner-tab-btn {
  background-color: #FFFFFF;
  border: 2px solid #E5E7EB;
  border-radius: var(--border-radius-sm);
  padding: 14px 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
  height: 72px;
}

.partner-tab-btn:hover {
  border-color: var(--color-brand-yellow);
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.partner-tab-btn.active {
  border-color: var(--color-brand-green);
  border-width: 2.5px;
  box-shadow: 0 8px 20px rgba(12, 75, 46, 0.25);
  transform: translateY(-4px);
  background-color: #FAFAFA;
}

.partner-tab-btn img {
  max-width: 90%;
  max-height: 42px;
  object-fit: contain;
}

/* Infinite Marquee for Partners */
.partner-marquee-wrap {
  margin-top: 40px;
  overflow: hidden;
  padding: 20px 0;
  white-space: nowrap;
  position: relative;
}

.partner-marquee-wrap::before,
.partner-marquee-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  width: 100px;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.partner-marquee-wrap::before {
  left: 0;
  background: linear-gradient(90deg, #FFFFFF 0%, transparent 100%);
}

.partner-marquee-wrap::after {
  right: 0;
  background: linear-gradient(-90deg, #FFFFFF 0%, transparent 100%);
}

.marquee-content {
  display: inline-flex;
  gap: 40px;
  animation: marqueeScroll 25s linear infinite;
}

.marquee-content:hover {
  animation-play-state: paused;
}

.marquee-item {
  height: 48px;
  display: flex;
  align-items: center;
  opacity: 0.75;
  transition: opacity var(--transition-fast);
}

.marquee-item:hover {
  opacity: 1;
}

.marquee-item img {
  max-height: 44px;
  width: auto;
  object-fit: contain;
}

/* --------------------------------------------------------------------------
   11. SECTION: LIÊN HỆ CHÚNG TÔI (CONTACT & CONSULTATION)
   -------------------------------------------------------------------------- */
.section-contact {
  padding: 80px 0 60px;
  background: linear-gradient(180deg, #FFFFFF 0%, #FEF8DC 100%);
}

.contact-main-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: start;
}

.company-legal-title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--color-brand-green);
  margin-bottom: 28px;
  line-height: 1.4;
}

.contact-cards-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

.contact-info-card {
  background-color: #FFFFFF;
  border-radius: var(--border-radius-md);
  padding: 24px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
  border: 1.5px solid rgba(246, 188, 37, 0.4);
  transition: transform var(--transition-fast);
}

.contact-info-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-brand-yellow);
}

.contact-card-label {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-gray-600);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.contact-card-value {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-brand-green);
  word-break: break-word;
}

.contact-card-value a:hover {
  color: #EAB31A;
}

.contact-address-box {
  background-color: #FFFFFF;
  border-radius: var(--border-radius-md);
  padding: 24px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
  border: 1.5px solid rgba(246, 188, 37, 0.4);
}

/* Consultation Form */
.consultation-form-card {
  background-color: #FFFFFF;
  border-radius: var(--border-radius-lg);
  padding: 40px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
  border: 2px solid var(--color-brand-yellow);
}

.form-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-brand-green);
  margin-bottom: 20px;
  text-align: center;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-brand-green);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--border-radius-sm);
  background-color: #FAFAFA;
  color: var(--color-gray-800);
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-brand-green);
  background-color: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(12, 75, 46, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.form-submit-btn {
  width: 100%;
  padding: 14px 24px;
  border-radius: var(--border-radius-sm);
  background: linear-gradient(135deg, #0C4B2E 0%, #073822 100%);
  color: var(--color-brand-yellow);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 6px 18px rgba(12, 75, 46, 0.25);
  transition: all var(--transition-fast);
}

.form-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(12, 75, 46, 0.35);
  background: #073822;
}

/* --------------------------------------------------------------------------
   12. SITE FOOTER (Matching Illustrator Footer)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-brand-yellow);
  padding: 60px 0 30px;
  color: var(--color-brand-green);
  border-top: 5px solid var(--color-brand-green);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 50px;
  align-items: center;
  padding-bottom: 40px;
  border-bottom: 1.5px solid rgba(12, 75, 46, 0.2);
}

.footer-logo-wrap {
  margin-bottom: 24px;
}

.footer-logo-img {
  height: 60px;
  width: auto;
}

.footer-info-item {
  margin-bottom: 12px;
  font-size: 1.05rem;
  line-height: 1.6;
}

.footer-info-label {
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  margin-right: 8px;
}

.footer-social-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 16px;
}

.social-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
}

.social-icons-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

.social-icon-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #FFFFFF;
  color: var(--color-brand-green);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.social-icon-btn:hover {
  transform: translateY(-4px);
  background-color: var(--color-brand-green);
  color: var(--color-brand-yellow);
  box-shadow: 0 6px 16px rgba(12, 75, 46, 0.25);
}

.footer-bottom-copy {
  padding-top: 24px;
  text-align: center;
  font-size: 0.95rem;
  color: var(--color-brand-green);
  opacity: 0.85;
}

/* --------------------------------------------------------------------------
   13. FLOATING ACTION WIDGETS
   -------------------------------------------------------------------------- */
.floating-widgets {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  z-index: 999;
}

.floating-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.22);
  transition: all var(--transition-bounce);
  position: relative;
}

.floating-btn:hover {
  transform: scale(1.12);
}

.floating-btn.zalo-btn {
  background-color: #0068FF;
}

.floating-btn.zalo-btn img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.floating-btn.phone-btn {
  background-color: #25D366;
  color: #FFFFFF;
}

.floating-btn.phone-btn svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

/* Ripple pulsing effect */
.floating-btn::after {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 50%;
  border: 2px solid currentColor;
  opacity: 0.8;
  animation: pulseRipple 2s cubic-bezier(0.24, 0, 0.38, 1) infinite;
}

.back-to-top-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-brand-green);
  color: var(--color-brand-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  cursor: pointer;
}

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

.back-to-top-btn:hover {
  background-color: var(--color-brand-green-dark);
  transform: translateY(-4px);
}

/* --------------------------------------------------------------------------
   14. MODAL POPUP (LIÊN HỆ NGAY)
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  padding: 20px;
}

.modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background-color: #FFFFFF;
  border-radius: var(--border-radius-xl);
  max-width: 580px;
  width: 100%;
  padding: 40px;
  position: relative;
  transform: scale(0.9) translateY(20px);
  transition: all var(--transition-bounce);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
  border: 2px solid var(--color-brand-yellow);
}

.modal-backdrop.is-open .modal-dialog {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: var(--color-brand-green);
  color: #FFFFFF;
}

/* --------------------------------------------------------------------------
   15. RESPONSIVE BREAKPOINTS (MOBILE & TABLET)
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
  .partners-logo-bar {
    grid-template-columns: repeat(5, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .menu-toggle-btn {
    display: flex;
  }
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    right: -100%;
    width: 300px;
    height: calc(100vh - var(--header-height));
    background-color: var(--color-brand-yellow);
    flex-direction: column;
    align-items: flex-start;
    padding: 30px;
    gap: 20px;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
    transition: right var(--transition-normal);
  }
  .nav-menu.is-open {
    right: 0;
  }
  .header-cta-btn {
    display: none;
  }
  .about-intro-grid {
    grid-template-columns: 1fr;
  }
  .core-values-grid {
    grid-template-columns: 1fr;
  }
  .partner-showcase-box {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 32px;
  }
  .partner-logo-display {
    max-width: 280px;
    margin: 0 auto;
  }
  .contact-main-grid {
    grid-template-columns: 1fr;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-social-wrap {
    align-items: center;
  }
  .hero-contact-bar {
    display: none; /* Hero banner covers mobile via image */
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  .section-title {
    font-size: 26px;
  }
  .phone-mockup-card {
    flex: 0 0 calc(100% - 20px);
  }
  .partners-logo-bar {
    grid-template-columns: repeat(3, 1fr);
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .contact-cards-list {
    grid-template-columns: 1fr;
  }
  .service-detail-box {
    padding: 28px 20px;
  }
  .consultation-form-card {
    padding: 24px;
  }
  .floating-widgets {
    bottom: 20px;
    right: 20px;
  }
}

@media (max-width: 480px) {
  .partners-logo-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}