/*
Theme Name: Nexcool Film
Theme URI: https://nexcoolfilm.vn
Author: Nexcool
Description: Custom theme for Nexcool Automotive Window Film
Version: 1.0
*/

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@300;400;500;600;700;800;900&display=swap');

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

:root {
  --blue: #0072bc;
  --blue-hover: #00578e;
  --cyan: #00aeef;
  --navy: #001026;
  --navy-light: #001f4c;
  --navy-glass: rgba(0, 16, 38, 0.75);
  --white: #fff;
  --light: #f5f8fc;
  --text-dark: #002244;
  --text-light: #ffffff;
  --text-muted: #8fa0b5;
  --font-main: 'Be Vietnam Pro', 'Segoe UI', Arial, sans-serif;
  --shadow-premium: 0 10px 30px rgba(0, 53, 128, 0.08);
  --glow-cyan: 0 0 15px rgba(0, 174, 239, 0.4);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

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

ul {
  list-style: none;
}

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(to bottom, rgba(0, 10, 26, 0.8) 0%, rgba(0, 10, 26, 0.4) 70%, rgba(0, 10, 26, 0) 100%);
  padding: 20px 80px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
}

.logo-img {
  max-height: 48px;
  width: auto;
  display: block;
}

.main-nav {
  display: flex;
  gap: 36px;
}

.main-nav a {
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.5px;
  position: relative;
  padding: 4px 0;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--cyan);
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width 0.3s ease;
}

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

.header-phone {
  background: var(--blue);
  color: var(--white);
  padding: 10px 24px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 15px rgba(0, 114, 188, 0.3);
}

.header-phone:hover {
  background: var(--cyan);
  transform: translateY(-2px);
  box-shadow: var(--glow-cyan);
}

/* ===== SOCIAL SIDEBAR ===== */
.social-sidebar {
  position: fixed;
  right: 25px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: var(--white);
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: all 0.3s ease;
}

.sidebar-item.phone { background: var(--blue); }
.sidebar-item.chat { background: var(--cyan); }
.sidebar-item.facebook { background: #3b5998; }

.sidebar-item:hover {
  transform: scale(1.1);
  box-shadow: var(--glow-cyan);
}

/* ===== HERO BANNER ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 750px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 1;
}

/* Subtle white gradient overlay on the left to enhance text readability */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.4) 45%, rgba(255, 255, 255, 0) 85%);
  z-index: 2;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  padding: 0 80px;
  max-width: 750px;
  margin-top: 50px;
}

.hero-title {
  font-size: 56px;
  font-weight: 900;
  line-height: 1.35; /* Increased to prevent diacritics clipping */
  color: #002b49;
  letter-spacing: -0.5px;
}

.hero-title .text-cyan {
  color: var(--cyan);
}

.hero-subtitle {
  color: var(--blue);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 2px;
  margin: 20px 0 40px;
}

.hero-btns {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
  padding: 14px 32px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 15px rgba(0, 114, 188, 0.3);
}

.btn-primary:hover {
  background: var(--blue-hover);
  transform: translateY(-2px);
}

.btn-outline {
  background: var(--white);
  color: #002b49;
  padding: 14px 32px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 15px;
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.btn-outline:hover {
  background: var(--light);
  transform: translateY(-2px);
}

.play-icon-circle {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  padding-left: 2px;
}

.hero-dots {
  position: absolute;
  bottom: 180px;
  left: 80px;
  z-index: 3;
  display: flex;
  gap: 10px;
  align-items: center;
}

.hero-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(0, 43, 73, 0.2);
  cursor: pointer;
  transition: all 0.3s ease;
}

.hero-dots span.active {
  background: var(--blue);
  width: 32px;
  border-radius: 5px;
}

/* ===== WHY NEXCOOL ===== */
.why-section {
  position: relative;
  z-index: 10;
  margin-top: -100px;
  padding: 0 80px;
  display: flex;
  justify-content: center;
}

.why-container {
  width: 100%;
  max-width: 1100px;
  border-radius: 32px;
  box-shadow: 0 20px 50px rgba(0, 16, 38, 0.3);
  background: #0057b9;
  border: none;
  overflow: hidden;
}

.why-infographic-img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== TECHNOLOGY ===== */
.tech-section {
  padding: 100px 80px;
  background: var(--white);
}

.tech-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 3fr 7fr;
  gap: 60px;
  align-items: center;
}

.tech-content-col {
  max-width: 600px;
}

.tech-section-title {
  font-size: 16px;
  font-weight: 800;
  color: #778fa3;
  text-transform: uppercase;
  margin-bottom: 5px;
  letter-spacing: 2px;
}

.tech-main-title {
  font-size: 42px;
  font-weight: 900;
  color: var(--blue);
  margin-bottom: 20px;
}

.tech-desc {
  font-size: 15px;
  color: #556c80;
  margin-bottom: 30px;
  line-height: 1.8;
}

.btn-secondary {
  background: var(--blue);
  color: var(--white);
  padding: 12px 28px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-secondary:hover {
  background: var(--blue-hover);
  transform: translateY(-2px);
}

.tech-image-col {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.tech-infographic-img {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 15px 30px rgba(0, 53, 128, 0.08));
}

/* ===== PRODUCTS ===== */
.products-section {
  background: var(--navy);
  padding: 100px 80px;
  text-align: center;
}

.products-section h2 {
  color: var(--white);
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 10px;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 40px auto 0;
}

.product-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 30px 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(to right, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--cyan);
  box-shadow: 0 20px 40px rgba(0, 174, 239, 0.15);
}

.product-card:hover::before {
  opacity: 1;
}

.product-card-left {
  width: 100%;
  display: flex;
  justify-content: center;
}

.product-box-img {
  width: auto;
  height: 230px;
  max-height: 230px;
  object-fit: contain;
  filter: drop-shadow(0 15px 25px rgba(0,0,0,0.4));
  transition: transform 0.4s ease;
}

.product-card:hover .product-box-img {
  transform: scale(1.08) rotate(2deg);
}

.product-card-right {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.product-card h3 {
  color: var(--white);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 1px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.product-card p {
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.5;
  min-height: 36px;
}

.btn-card {
  align-self: center;
  color: var(--white);
  background: rgba(0, 174, 239, 0.1);
  border: 1px solid var(--cyan);
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 24px;
  border-radius: 20px;
  margin-top: 10px;
  transition: all 0.3s ease;
}

.btn-card:hover {
  background: var(--cyan);
  color: var(--white);
  box-shadow: var(--glow-cyan);
}

.products-compare {
  margin-top: 50px;
}

.btn-compare {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
  padding: 12px 32px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-compare:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: var(--glow-cyan);
}

/* ===== REAL RESULTS ===== */
.results-section {
  padding: 100px 80px;
  background: var(--light);
}

.results-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.results-content h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 20px;
  line-height: 1.2;
}

.results-content p {
  font-size: 15px;
  color: #556c80;
  margin-bottom: 30px;
  line-height: 1.8;
}

.results-videos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.video-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.video-thumb-container {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0,0,0,0.06);
}

.video-thumb-img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.video-play-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 16, 38, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s ease;
}

.play-btn-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--white);
  color: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  padding-left: 3px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  transition: all 0.3s ease;
}

.video-thumb-container:hover .video-thumb-img {
  transform: scale(1.08);
}

.video-thumb-container:hover .video-play-overlay {
  background: rgba(0, 16, 38, 0.25);
}

.video-thumb-container:hover .play-btn-circle {
  transform: scale(1.1);
  background: var(--cyan);
  color: var(--white);
  box-shadow: var(--glow-cyan);
}

.video-title {
  color: var(--text-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-align: center;
}

/* ===== GALLERY ===== */
.gallery-section {
  padding: 80px 80px;
  background: var(--white);
}

.gallery-tabs {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 24px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 700;
  border: 1.5px solid rgba(0, 114, 188, 0.15);
  background: var(--white);
  color: var(--blue);
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0,0,0,0.02);
  transition: all 0.3s ease;
}

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

.tab-btn.active {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
  box-shadow: 0 4px 15px rgba(0, 114, 188, 0.3);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.gallery-item {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0, 53, 128, 0.05);
}

.gallery-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-more {
  text-align: center;
  margin-top: 40px;
}

.btn-more {
  background: var(--blue);
  color: var(--white);
  padding: 14px 36px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 15px rgba(0, 114, 188, 0.3);
}

.btn-more:hover {
  background: var(--blue-hover);
  transform: translateY(-2px);
}

/* ===== FOOTER ===== */
.site-footer {
  background: #000a1a;
  color: #7990a6;
  padding: 80px 80px 30px;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr 0.8fr 0.8fr 1.3fr;
  gap: 50px;
  max-width: 1200px;
  margin: 0 auto 50px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.brand-desc {
  line-height: 1.8;
  color: #556b80;
}

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

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: #7990a6;
}

.footer-social a:hover {
  background: var(--blue);
  color: var(--white);
  transform: translateY(-3px);
}

.footer-col h4 {
  color: var(--white);
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

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

.footer-col ul li a {
  color: #556b80;
}

.footer-col ul li a:hover {
  color: var(--cyan);
}

.contact-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.contact-info-list li a {
  color: #7990a6 !important;
}

.contact-info-list li i {
  color: var(--blue);
}

.footer-warranty {
  border: 1.5px solid rgba(0, 114, 188, 0.35);
  border-radius: 10px;
  padding: 16px 20px;
  background: rgba(0, 114, 188, 0.05);
}

.warranty-seal {
  display: flex;
  align-items: center;
  gap: 16px;
}

.warranty-icon {
  font-size: 32px;
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(0, 174, 239, 0.2);
}

.warranty-text {
  display: flex;
  flex-direction: column;
}

.warranty-years {
  font-size: 22px;
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: 0.5px;
}

.warranty-desc {
  font-size: 10px;
  color: var(--cyan);
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 30px;
  text-align: center;
  font-size: 13px;
  color: #435669;
}

/* ===== LIGHTBOX MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 10, 26, 0.85);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  position: relative;
  max-width: 90%;
  max-height: 85%;
  transform: scale(0.9);
  transition: transform 0.3s ease;
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-content img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  object-fit: contain;
  background: var(--navy);
}

.modal-close {
  position: absolute;
  top: 30px;
  right: 40px;
  font-size: 50px;
  color: var(--white);
  cursor: pointer;
  transition: color 0.3s ease;
  line-height: 1;
  z-index: 2001;
}

.modal-close:hover {
  color: var(--cyan);
}

/* ===== TECHNOLOGY ARTICLE PAGE ===== */
.article-page {
  background: var(--white);
}

.article-hero {
  height: 450px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding-top: 90px;
}

.article-hero-content {
  max-width: 900px;
  padding: 0 20px;
  z-index: 5;
}

.category-tag {
  display: inline-block;
  background: var(--blue);
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.5px;
  padding: 4px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.article-hero h1 {
  font-size: 42px;
  font-weight: 900;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 20px;
}

.article-meta {
  color: var(--text-muted);
  font-size: 14px;
  display: flex;
  justify-content: center;
  gap: 20px;
}

.article-meta i {
  color: var(--cyan);
  margin-right: 6px;
}

.article-main {
  padding: 80px 0;
  background: var(--white);
}

.article-container {
  max-width: 850px;
  margin: 0 auto;
  padding: 0 30px;
  font-size: 16px;
  color: #334e68;
  line-height: 1.85;
}

.article-container p {
  margin-bottom: 24px;
}

.article-container .lead-text {
  font-size: 19px;
  font-weight: 500;
  color: #102a43;
  line-height: 1.75;
  border-left: 4px solid var(--cyan);
  padding-left: 20px;
  margin-bottom: 35px;
}

.article-container h2 {
  font-size: 28px;
  font-weight: 800;
  color: #102a43;
  margin: 50px 0 20px;
}

.article-container h3 {
  font-size: 22px;
  font-weight: 700;
  color: #102a43;
  margin: 35px 0 15px;
}

.heading-line {
  width: 40px;
  height: 3px;
  background: var(--cyan);
  margin-bottom: 25px;
  margin-top: -10px;
}

.article-container ul {
  margin-bottom: 30px;
  padding-left: 10px;
}

.article-container ul li {
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.article-container ul li i {
  color: var(--cyan);
  font-size: 16px;
  margin-top: 4px;
}

/* Article IR stats grid */
.ir-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 35px 0;
}

.stat-card {
  background: var(--light);
  border: 1px solid #e2edf8;
  border-radius: 12px;
  padding: 20px 15px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 53, 128, 0.02);
}

.stat-card h4 {
  font-size: 14px;
  font-weight: 800;
  color: var(--blue);
  margin-bottom: 8px;
}

.stat-card .stat-num {
  font-size: 32px;
  font-weight: 900;
  color: #102a43;
  display: block;
  margin-bottom: 4px;
}

.stat-card p {
  font-size: 11px;
  color: #627d98;
  margin: 0;
}

.stat-card.highlight {
  background: linear-gradient(135deg, #001026 0%, #00234d 100%);
  border-color: var(--cyan);
}

.stat-card.highlight h4 {
  color: var(--cyan);
}

.stat-card.highlight .stat-num {
  color: var(--white);
  text-shadow: var(--glow-cyan);
}

.stat-card.highlight p {
  color: var(--text-muted);
}

/* Tech Comparison Table */
.table-wrap {
  overflow-x: auto;
  margin: 40px 0;
  border-radius: 8px;
  border: 1px solid #e2edf8;
  box-shadow: 0 4px 15px rgba(0, 53, 128, 0.02);
}

.tech-compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 15px;
}

.tech-compare-table th {
  background: var(--blue);
  color: var(--white);
  font-weight: 700;
  padding: 14px 20px;
}

.tech-compare-table td {
  padding: 14px 20px;
  border-bottom: 1px solid #f0f4f8;
  color: #334e68;
}

.tech-compare-table tr:nth-child(even) td {
  background: #f8fafc;
}

.tech-compare-table tr.table-highlight td {
  background: rgba(0, 174, 239, 0.05);
  font-weight: 600;
  color: #002b49;
  border-left: 3px solid var(--cyan);
}

.article-summary-box {
  background: linear-gradient(135deg, #001026 0%, #00234d 100%);
  border-radius: 12px;
  padding: 30px;
  color: var(--white);
  border-left: 5px solid var(--cyan);
  margin-top: 50px;
  box-shadow: 0 10px 35px rgba(0, 16, 38, 0.2);
}

.article-summary-box h3 {
  color: var(--cyan) !important;
  font-size: 18px !important;
  font-weight: 800 !important;
  margin-top: 0 !important;
  margin-bottom: 12px !important;
}

.article-summary-box p {
  color: var(--text-muted) !important;
  font-size: 14px;
  line-height: 1.7;
  margin: 0 !important;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
  .site-header { padding: 20px 40px; }
  .hero-content { padding: 0 40px; }
  .why-section { padding: 0 40px; }
  .why-grid-container { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .why-card-col:not(:last-child)::after { display: none; }
  .tech-section { padding: 80px 40px; }
  .tech-inner { grid-template-columns: 1fr; gap: 40px; }
  .products-section { padding: 80px 40px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .results-section { padding: 80px 40px; }
  .gallery-section { padding: 80px 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-col.contact-col { grid-column: span 2; }
  .ir-stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
  .results-inner { grid-template-columns: 1fr; gap: 40px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .site-header { height: 75px; }
  .hero-content { margin-top: 30px; }
  .hero-title { font-size: 38px; }
  .hero-subtitle { margin: 15px 0 25px; }
  .why-inner { padding: 30px 20px; }
  .why-grid-container { grid-template-columns: 1fr; gap: 30px; }
  .why-card-col { padding: 10px 0; }
  .why-section { margin-top: -40px; }
  .products-grid { grid-template-columns: 1fr; }
  .results-videos { grid-template-columns: 1fr; gap: 30px; }
  .gallery-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-col.contact-col { grid-column: span 1; }
  .footer-col h4 { margin-bottom: 12px; }
  .site-footer { padding: 50px 20px 30px; }
  .modal-close { top: 15px; right: 20px; font-size: 35px; }
  .ir-stats-grid { grid-template-columns: 1fr; }
}

/* ===== WARRANTY POLICY & LOOKUP PAGE ===== */
.warranty-page-body {
  background: #000c1a;
}
.warranty-hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 20px 80px;
  overflow: hidden;
}
.warranty-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 1;
}
.warranty-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 10, 26, 0.85);
  z-index: 2;
}
.warranty-hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 750px;
}
.warranty-search-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(15px);
  border-radius: 20px;
  padding: 50px 40px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
  text-align: center;
}
.card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 174, 239, 0.15);
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.5px;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  text-shadow: var(--glow-cyan);
}
.warranty-search-card h2 {
  color: var(--white);
  font-size: 32px;
  font-weight: 900;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}
.search-subtitle {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 35px;
}
.warranty-search-form {
  display: flex;
  gap: 15px;
  max-width: 600px;
  margin: 0 auto;
}
.search-input-wrap {
  position: relative;
  flex: 1;
}
.search-input-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--cyan);
  font-size: 18px;
}
.warranty-search-form input {
  width: 100%;
  background: rgba(0, 10, 26, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--white);
  border-radius: 30px;
  padding: 15px 20px 15px 55px;
  font-size: 14px;
  font-family: var(--font-main);
  transition: all 0.3s ease;
}
.warranty-search-form input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 15px rgba(0, 174, 239, 0.25);
  background: rgba(0, 10, 26, 0.8);
}
.btn-search {
  background: var(--blue);
  color: var(--white);
  border: none;
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 14px;
  padding: 0 35px;
  border-radius: 30px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 15px rgba(0, 114, 188, 0.3);
  transition: all 0.3s ease;
}
.btn-search:hover {
  background: var(--cyan);
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
}

/* Results Certificate */
.warranty-results-box {
  display: none;
  margin-top: 40px;
  background: linear-gradient(135deg, rgba(0, 174, 239, 0.08) 0%, rgba(0, 114, 188, 0.02) 100%);
  border: 1.5px solid rgba(0, 174, 239, 0.3);
  border-radius: 16px;
  padding: 35px 30px;
  text-align: center;
  position: relative;
  animation: fadeInUp 0.5s ease forwards;
}
.warranty-results-box.active {
  display: block;
}
.certificate-seal {
  font-size: 48px;
  color: var(--cyan);
  margin-bottom: 15px;
  text-shadow: var(--glow-cyan);
  animation: pulse 2s infinite;
}
.warranty-results-box h3 {
  color: var(--white);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 1px;
}
.cert-line {
  width: 80px;
  height: 2px;
  background: var(--cyan);
  margin: 15px auto 25px;
}
.results-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  text-align: left;
  max-width: 580px;
  margin: 0 auto;
}
.result-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 8px;
}
.result-label {
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.5px;
}
.result-value {
  font-size: 14px;
  color: var(--white);
  font-weight: 600;
}
.status-badge {
  margin-top: 30px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 24px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.5px;
}
.status-badge.active-status {
  background: rgba(46, 204, 113, 0.15);
  border: 1px solid #2ecc71;
  color: #2ecc71;
}

/* Error Box */
.warranty-error-box {
  display: none;
  margin-top: 30px;
  background: rgba(231, 76, 60, 0.1);
  border: 1px solid rgba(231, 76, 60, 0.3);
  border-radius: 12px;
  padding: 20px;
  color: #ff6b6b;
  font-size: 13px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  animation: fadeIn 0.4s ease forwards;
}
.warranty-error-box.active {
  display: flex;
}
.warranty-error-box i {
  font-size: 20px;
}

/* Warranty Details Grid */
.warranty-details-section {
  background: #000c1a;
  padding: 100px 80px;
  position: relative;
}
.warranty-details-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center bottom;
  opacity: 0.15;
  z-index: 1;
  pointer-events: none;
}
.warranty-details-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 50px;
}
.warranty-conditions-panel,
.usage-notes-panel {
  background: rgba(0, 16, 38, 0.6);
  border: 1px solid rgba(0, 174, 239, 0.15);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 45px 40px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}
.panel-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 25px;
  border-bottom: 1.5px solid rgba(0, 174, 239, 0.2);
  padding-bottom: 15px;
}
.panel-icon {
  font-size: 24px;
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
}
.panel-header h2 {
  color: var(--white);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin: 0;
}
.panel-intro {
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 30px;
}
.conditions-list {
  display: flex;
  flex-direction: column;
  gap: 25px;
}
.conditions-list li {
  display: flex;
  align-items: flex-start;
  gap: 15px;
}
.conditions-list li i {
  font-size: 20px;
  color: var(--cyan);
  margin-top: 3px;
  text-shadow: var(--glow-cyan);
}
.cond-text h4 {
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}
.cond-text p {
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.6;
}
.warranty-exclusion-card {
  margin-top: 35px;
  background: rgba(231, 76, 60, 0.08);
  border: 1px solid rgba(231, 76, 60, 0.2);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.warranty-exclusion-card i {
  color: #ff6b6b;
  font-size: 18px;
}
.warranty-exclusion-card p {
  color: #ff8e8e;
  font-size: 12px;
  font-weight: 600;
  margin: 0;
}

/* Usage notes step cards */
.usage-step-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.usage-step-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: all 0.3s ease;
}
.usage-step-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(0, 174, 239, 0.2);
}
.usage-step-card.warning-accent {
  border-left: 4px solid var(--cyan);
}
.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0, 174, 239, 0.1);
  color: var(--cyan);
  font-size: 16px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  text-shadow: var(--glow-cyan);
  border: 1px solid rgba(0, 174, 239, 0.2);
}
.step-content h4 {
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}
.step-content p {
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.7;
  margin: 0;
}
.callout-box {
  margin-top: 30px;
  background: rgba(0, 174, 239, 0.05);
  border: 1px dashed rgba(0, 174, 239, 0.25);
  border-radius: 8px;
  padding: 15px 20px;
  text-align: center;
}
.callout-box p {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 600;
  margin: 0;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@media (max-width: 992px) {
  .warranty-details-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .warranty-details-section {
    padding: 60px 40px;
  }
}
@media (max-width: 768px) {
  .warranty-search-card {
    padding: 30px 20px;
  }
  .warranty-search-form {
    flex-direction: column;
    gap: 12px;
  }
  .warranty-search-form input {
    padding: 12px 20px 12px 50px;
  }
  .btn-search {
    padding: 12px;
    justify-content: center;
  }
  .results-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .warranty-details-section {
    padding: 50px 20px;
  }
}