/* ============================================
   HYZHTRADING.COM - Main Stylesheet
   Shenzhen Huanyu Zhihui Technology Co., Ltd.
   ============================================ */

/* --- CSS Variables --- */
:root {
  --primary: #0a2463;
  --primary-light: #1e3a8a;
  --accent: #d4a017;
  --accent-light: #f0c040;
  --text-dark: #1a1a2e;
  --text-mid: #4a4a6a;
  --text-light: #7a7a9a;
  --bg-white: #ffffff;
  --bg-light: #f4f6fb;
  --bg-dark: #0a1628;
  --border: #e0e4f0;
  --shadow-sm: 0 2px 8px rgba(10, 36, 99, 0.08);
  --shadow-md: 0 8px 32px rgba(10, 36, 99, 0.12);
  --shadow-lg: 0 16px 48px rgba(10, 36, 99, 0.18);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-en: 'Inter', sans-serif;
  --font-cn: 'Noto Sans SC', 'Inter', sans-serif;
}

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

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

body {
  font-family: var(--font-cn);
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.7;
  overflow-x: hidden;
}

body.lang-en {
  font-family: var(--font-en);
}

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

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

ul {
  list-style: none;
}

/* --- Utility Classes --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 96px 0;
}

.section-padding-sm {
  padding: 64px 0;
}

.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-primary { color: var(--primary); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  letter-spacing: 0.02em;
}

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

.btn-primary:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 160, 23, 0.35);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
  transform: translateY(-2px);
}

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

.btn-outline-dark:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

/* --- Section Header --- */
.section-header {
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  background: rgba(212, 160, 23, 0.12);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.25;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-mid);
  max-width: 600px;
  line-height: 1.8;
}

.section-header.text-center .section-subtitle {
  margin: 0 auto;
}

.title-underline {
  width: 56px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 2px;
  margin-top: 20px;
}

.title-underline.center {
  margin: 20px auto 0;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
  padding: 0;
}

#header.transparent {
  background: transparent;
}

#header.scrolled {
  background: rgba(10, 22, 40, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 24px rgba(0,0,0,0.25);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: -1px;
  flex-shrink: 0;
}

.logo-icon-img {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  object-fit: contain;
}

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

.logo-name {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.logo-sub {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.04em;
  line-height: 1.3;
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-links a:hover {
  color: var(--accent-light);
  background: rgba(255,255,255,0.08);
}

/* Nav Right */
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switcher {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.1);
  border-radius: 100px;
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  padding: 5px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  background: transparent;
  letter-spacing: 0.03em;
}

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

.lang-btn:hover:not(.active) {
  color: #fff;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: rgba(10, 22, 40, 0.98);
  backdrop-filter: blur(12px);
  padding: 16px 24px 24px;
  z-index: 999;
  border-top: 1px solid rgba(255,255,255,0.08);
  transform: translateY(-10px);
  opacity: 0;
  transition: var(--transition);
}

.mobile-nav.open {
  display: block;
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav a {
  display: block;
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  font-weight: 500;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}

.mobile-nav a:hover {
  color: var(--accent-light);
  padding-left: 8px;
}

.mobile-lang {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.mobile-lang a {
  border: none;
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
}

.mobile-lang a.active {
  background: var(--accent);
  color: var(--primary);
}

/* ============================================
   HERO SECTION
   ============================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-dark);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(30, 58, 138, 0.5) 0%, transparent 70%),
    radial-gradient(ellipse 50% 80% at 20% 80%, rgba(212, 160, 23, 0.12) 0%, transparent 60%),
    linear-gradient(135deg, #0a1628 0%, #0d2040 50%, #0a1628 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  animation: float-particle linear infinite;
  opacity: 0;
}

@keyframes float-particle {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(212, 160, 23, 0.15);
  border: 1px solid rgba(212, 160, 23, 0.3);
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero-badge i {
  font-size: 0.75rem;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.04em;
}

.hero-visual {
  position: absolute;
  right: -60px;
  top: 50%;
  transform: translateY(-50%);
  width: 520px;
  opacity: 0.15;
  pointer-events: none;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  animation: bounce 2s ease-in-out infinite;
}

.hero-scroll i {
  font-size: 1.2rem;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
#about {
  background: var(--bg-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-img-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #1e4080 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: rgba(255,255,255,0.8);
}

.about-img-placeholder i {
  font-size: 4rem;
  color: var(--accent);
}

.about-img-placeholder p {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.about-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--accent);
  color: var(--primary);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.about-badge .badge-num {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  display: block;
}

.about-badge .badge-text {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  display: block;
  margin-top: 4px;
}

.about-content .section-subtitle {
  max-width: 100%;
  margin-bottom: 24px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--bg-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.about-feature:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.about-feature-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
  flex-shrink: 0;
}

.about-feature-text h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 2px;
}

.about-feature-text p {
  font-size: 0.78rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* ============================================
   PRODUCTS SECTION
   ============================================ */
#products {
  background: var(--bg-light);
}

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

.product-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

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

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

.product-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(10, 36, 99, 0.08), rgba(10, 36, 99, 0.04));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 20px;
  transition: var(--transition);
}

.product-card:hover .product-icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--accent);
}

.product-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.product-card p {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 20px;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.product-tag {
  background: rgba(10, 36, 99, 0.06);
  color: var(--primary);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  letter-spacing: 0.02em;
}

/* ============================================
   WHY CHOOSE US
   ============================================ */
#why-us {
  background: var(--bg-white);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.why-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  opacity: 0;
  transition: var(--transition);
  z-index: 0;
}

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

.why-card:hover::after {
  opacity: 1;
}

.why-card > * {
  position: relative;
  z-index: 1;
}

.why-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, rgba(10, 36, 99, 0.08), rgba(10, 36, 99, 0.04));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--primary);
  margin: 0 auto 20px;
  transition: var(--transition);
}

.why-card:hover .why-icon {
  background: rgba(212, 160, 23, 0.2);
  color: var(--accent-light);
}

.why-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
  transition: var(--transition);
}

.why-card p {
  font-size: 0.85rem;
  color: var(--text-mid);
  line-height: 1.7;
  transition: var(--transition);
}

.why-card:hover h3,
.why-card:hover p {
  color: rgba(255,255,255,0.9);
}

/* ============================================
   MARKETS SECTION
   ============================================ */
#markets {
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}

#markets::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 60% 80% at 80% 50%, rgba(30, 58, 138, 0.4) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 10% 30%, rgba(212, 160, 23, 0.08) 0%, transparent 60%);
}

#markets .container {
  position: relative;
  z-index: 1;
}

#markets .section-title {
  color: #fff;
}

#markets .section-subtitle {
  color: rgba(255,255,255,0.65);
}

#markets .section-tag {
  background: rgba(212, 160, 23, 0.2);
}

.markets-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 56px;
}

.market-region {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  transition: var(--transition);
}

.market-region:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(212, 160, 23, 0.4);
  transform: translateY(-4px);
}

.market-region-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.market-flag {
  font-size: 2rem;
}

.market-region-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}

.market-region-header p {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  margin-top: 2px;
}

.market-countries {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.country-tag {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.8);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 100px;
  transition: var(--transition);
}

.country-tag:hover {
  background: rgba(212, 160, 23, 0.2);
  border-color: rgba(212, 160, 23, 0.4);
  color: var(--accent-light);
}

/* ============================================
   CERTIFICATIONS / TRUST SECTION
   ============================================ */
#trust {
  background: var(--bg-light);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.trust-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.trust-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.trust-icon {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.trust-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.trust-card p {
  font-size: 0.82rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
#contact {
  background: var(--bg-white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.contact-info h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.contact-info > p {
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 36px;
}

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

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-item-text h4 {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.contact-item-text p,
.contact-item-text a {
  font-size: 0.92rem;
  color: var(--text-dark);
  line-height: 1.6;
}

.contact-item-text a:hover {
  color: var(--primary);
}

/* Contact Form */
.contact-form-wrap {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border);
}

.contact-form-wrap h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 28px;
}

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

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

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-mid);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.form-group label span {
  color: #e53e3e;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: var(--text-dark);
  background: var(--bg-white);
  transition: var(--transition);
  font-family: inherit;
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(10, 36, 99, 0.08);
}

.form-control::placeholder {
  color: var(--text-light);
}

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

.form-submit {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: inherit;
  letter-spacing: 0.02em;
}

.form-submit:hover {
  background: linear-gradient(135deg, var(--primary-light), #2563eb);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(10, 36, 99, 0.3);
}

.form-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.form-message {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  display: none;
}

.form-message.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #065f46;
  display: block;
}

.form-message.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #991b1b;
  display: block;
}

/* ============================================
   FOOTER
   ============================================ */
#footer {
  background: var(--bg-dark);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo-name {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.footer-brand .logo-sub {
  font-size: 0.72rem;
}

.footer-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
  margin-top: 16px;
  margin-bottom: 24px;
}

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

.social-btn {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-contact-item i {
  color: var(--accent);
  font-size: 0.85rem;
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-contact-item span {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
}

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

.footer-bottom a {
  color: rgba(255,255,255,0.35);
  transition: var(--transition);
}

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

/* ============================================
   SCROLL TO TOP
   ============================================ */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  z-index: 900;
  border: none;
  box-shadow: var(--shadow-md);
}

.scroll-top.visible {
  opacity: 1;
  pointer-events: all;
}

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

/* ============================================
   AOS ANIMATIONS
   ============================================ */
[data-aos] {
  opacity: 0;
  transition-property: opacity, transform;
}

[data-aos="fade-up"] {
  transform: translateY(30px);
}

[data-aos="fade-right"] {
  transform: translateX(-30px);
}

[data-aos="fade-left"] {
  transform: translateX(30px);
}

[data-aos="zoom-in"] {
  transform: scale(0.9);
}

[data-aos].aos-animate {
  opacity: 1;
  transform: none;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .about-grid {
    gap: 48px;
  }
}

@media (max-width: 768px) {
  .section-padding {
    padding: 64px 0;
  }

  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-badge {
    bottom: -16px;
    right: 16px;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

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

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

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

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .hero-stats {
    gap: 24px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

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

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

  .contact-form-wrap {
    padding: 24px 20px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.6rem;
  }
}