/* ============================================
   GAIN RATE GROUP - Main Stylesheet
   ============================================ */

/* --- CSS Variables --- */
:root {
  --navy: #1a2744;
  --navy-dark: #0f1a2e;
  --navy-light: #2a3d5e;
  --gold: #e8a020;
  --gold-light: #f5b840;
  --gold-dark: #c88a10;
  --green: #2ecc71;
  --green-dark: #27ae60;
  --white: #ffffff;
  --off-white: #f8f9fa;
  --light-gray: #e9ecef;
  --gray: #6c757d;
  --dark-gray: #343a40;
  --text: #2d3436;
  --text-light: #636e72;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s ease;
  --radius: 12px;
  --radius-sm: 8px;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: var(--white);
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.3;
  color: var(--navy);
}

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

/* --- Utility Classes --- */
.section-padding {
  padding: 100px 0;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 16px;
  position: relative;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-light);
  max-width: 640px;
  margin: 0 auto 60px;
}

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

.text-gold {
  color: var(--gold);
}

.text-navy {
  color: var(--navy);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: 'Inter', sans-serif;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(232, 160, 32, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(232, 160, 32, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-secondary:hover {
  background: var(--white);
  color: var(--navy);
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}

.btn-outline:hover {
  background: var(--navy);
  color: var(--white);
}

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
  padding: 16px 0;
}

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

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

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

.logo img {
  height: 72px;
  width: auto;
}

.header.scrolled .logo img {
  height: 56px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--white);
  position: relative;
  padding: 4px 0;
}

.header.scrolled .nav-links a {
  color: var(--navy);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: var(--transition);
}

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

.nav-links .btn {
  padding: 10px 24px;
  font-size: 0.9rem;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
}

.mobile-toggle span {
  width: 28px;
  height: 3px;
  background: var(--white);
  border-radius: 3px;
  transition: var(--transition);
}

.header.scrolled .mobile-toggle span {
  background: var(--navy);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.5s ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 26, 46, 0.85) 0%, rgba(26, 39, 68, 0.7) 50%, rgba(15, 26, 46, 0.6) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding-top: 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232, 160, 32, 0.15);
  border: 1px solid rgba(232, 160, 32, 0.3);
  padding: 8px 20px;
  border-radius: 50px;
  color: var(--gold-light);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3.5rem;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.15;
}

.hero h1 span {
  color: var(--gold);
}

.hero p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  line-height: 1.8;
}

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

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat h3 {
  font-size: 2.2rem;
  color: var(--gold);
  font-weight: 800;
}

.hero-stat p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

/* --- About Section --- */
.about {
  background: var(--off-white);
}

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

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

.about-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.about-image-badge {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: var(--gold);
  color: var(--white);
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 1.1rem;
  box-shadow: var(--shadow);
}

.about-content h2 {
  font-size: 2.2rem;
  margin-bottom: 20px;
}

.about-content p {
  color: var(--text-light);
  margin-bottom: 20px;
  font-size: 1.05rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 30px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

.about-feature-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.about-feature-icon svg {
  width: 20px;
  height: 20px;
  fill: var(--white);
}

.about-feature span {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--navy);
}

/* --- Services Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--light-gray);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  transform: scaleX(0);
  transition: var(--transition);
}

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

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

.service-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(232, 160, 32, 0.1), rgba(232, 160, 32, 0.05));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.service-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 2;
}

.service-card h3 {
  font-size: 1.3rem;
  margin-bottom: 14px;
}

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

/* --- Companies Section --- */
.companies {
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.companies::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232, 160, 32, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

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

.companies .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

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

.company-card {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 40px;
  transition: var(--transition);
}

.company-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}

.company-flag {
  font-size: 2rem;
  margin-bottom: 16px;
}

.company-card h3 {
  color: var(--gold);
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.company-card .company-type {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.company-details {
  margin-top: 20px;
}

.company-detail {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.company-detail svg {
  width: 20px;
  height: 20px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
  margin-top: 2px;
}

.company-detail span {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* --- Products Section --- */
.products {
  background: var(--off-white);
}

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

.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--light-gray);
}

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

.product-icon-wrapper {
  height: 160px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-icon-wrapper svg {
  width: 64px;
  height: 64px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 1.5;
}

.product-info {
  padding: 24px;
}

.product-info h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.product-info p {
  color: var(--text-light);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* --- Why Choose Us Section --- */
.why-us-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.why-card {
  text-align: center;
  padding: 40px 30px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.why-card:hover {
  background: var(--off-white);
}

.why-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 16px;
  font-family: 'Montserrat', sans-serif;
}

.why-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.why-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* --- Markets Section --- */
.markets {
  background: linear-gradient(135deg, var(--off-white) 0%, var(--white) 100%);
}

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

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

.markets-image img {
  width: 100%;
  height: 450px;
  object-fit: cover;
}

.market-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 30px;
}

.market-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.market-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-lg);
}

.market-item .flag {
  font-size: 1.4rem;
}

.market-item span {
  font-weight: 500;
  font-size: 0.95rem;
}

/* --- Contact Section --- */
.contact {
  background: var(--off-white);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h2 {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-light);
  margin-bottom: 40px;
  font-size: 1.05rem;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-detail-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--white);
  fill: none;
  stroke-width: 2;
}

.contact-detail h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.contact-detail p {
  color: var(--text-light);
  font-size: 0.95rem;
}

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

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

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--navy);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--light-gray);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
  background: var(--off-white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--gold);
  background: var(--white);
}

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

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

/* --- Footer --- */
.footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand img {
  height: 64px;
  margin-bottom: 20px;
}

.footer-brand p {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--gold);
}

.footer-social a svg {
  width: 18px;
  height: 18px;
  fill: var(--white);
}

.footer h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 24px;
}

.footer-links a {
  display: block;
  padding: 6px 0;
  font-size: 0.95rem;
  transition: var(--transition);
}

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

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  stroke: var(--gold);
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-contact-item span {
  font-size: 0.9rem;
  line-height: 1.5;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
}

/* --- Scroll to Top --- */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--gold);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(232, 160, 32, 0.3);
  z-index: 999;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-4px);
  background: var(--gold-dark);
}

.scroll-top svg {
  width: 24px;
  height: 24px;
  stroke: var(--white);
  fill: none;
  stroke-width: 2;
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.8rem;
  }

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

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

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

@media (max-width: 768px) {
  .section-padding {
    padding: 60px 0;
  }

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

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--navy-dark);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    transition: var(--transition);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    color: var(--white) !important;
    font-size: 1.1rem;
  }

  .mobile-toggle {
    display: flex;
  }

  .mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

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

  .mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }

  .about-grid,
  .companies-grid,
  .contact-wrapper,
  .markets-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

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

  .market-list {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .section-title {
    font-size: 1.7rem;
  }

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

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