/* ===== DESIGN TOKENS ===== */
:root {
  /* Primary palette - Natural Greens */
  --color-primary: #2d6a4f;
  --color-primary-light: #40916c;
  --color-primary-lighter: #52b788;
  --color-primary-dark: #1b4332;
  --color-primary-darker: #081c15;

  /* Accent palette - Warm Earth */
  --color-accent: #dda15e;
  --color-accent-light: #e9c46a;
  --color-accent-dark: #bc6c25;

  /* Neutrals */
  --color-bg: #fefefe;
  --color-bg-alt: #f0f7f4;
  --color-bg-card: #ffffff;
  --color-text: #1a1a2e;
  --color-text-muted: #5a6c72;
  --color-text-light: #8a9ba3;
  --color-border: #d4e4dc;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #1b4332 0%, #2d6a4f 40%, #40916c 100%);
  --gradient-cta: linear-gradient(135deg, #40916c 0%, #2d6a4f 100%);
  --gradient-accent: linear-gradient(135deg, #e9c46a 0%, #dda15e 50%, #bc6c25 100%);
  --gradient-card: linear-gradient(180deg, rgba(45, 106, 79, 0.03) 0%, rgba(45, 106, 79, 0.08) 100%);

  /* Typography */
  --font-heading: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Border radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 16px 50px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 30px rgba(82, 183, 136, 0.2);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
}

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

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

/* ===== UTILITIES ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-header h2 {
  font-size: 2.5rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-md);
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  margin: var(--space-md) auto 0;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  text-transform: none;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--gradient-cta);
  color: #fff;
  box-shadow: 0 4px 15px rgba(45, 106, 79, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(45, 106, 79, 0.4);
}

.btn-secondary {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
  transform: translateY(-3px);
}

.btn-accent {
  background: var(--gradient-accent);
  color: var(--color-primary-darker);
  box-shadow: 0 4px 15px rgba(221, 161, 94, 0.3);
}

.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(221, 161, 94, 0.4);
}

/* ===== LOADING SCREEN ===== */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
}

.loading-logo {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: #fff;
  margin-bottom: var(--space-xl);
  animation: pulse-glow 1.5s ease-in-out infinite;
}

.loading-logo span {
  color: var(--color-accent-light);
}

.loading-bar-container {
  width: 200px;
  height: 3px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.loading-bar {
  height: 100%;
  width: 0%;
  background: var(--color-accent-light);
  border-radius: var(--radius-full);
  animation: loading-progress 1.5s ease-in-out forwards;
}

@keyframes loading-progress {
  0% { width: 0%; }
  50% { width: 70%; }
  100% { width: 100%; }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; text-shadow: 0 0 20px rgba(233, 196, 106, 0.3); }
  50% { opacity: 0.8; text-shadow: 0 0 40px rgba(233, 196, 106, 0.6); }
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: var(--space-lg) 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  padding: var(--space-sm) 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  transition: color var(--transition-fast);
}

.navbar.scrolled .nav-logo {
  color: var(--color-primary-dark);
}

.nav-logo .lotus-icon {
  font-size: 1.8rem;
}

.logo-img {
  width: 38px;
  height: 38px;
  max-width: 38px;
  max-height: 38px;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  white-space: nowrap;
}

.logo-text .logo-accent {
  font-size: 0.52em;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.06em;
}

@media (max-width: 768px) {
  .nav-logo { font-size: 1.2rem; }
  .logo-img { width: 32px; height: 32px; max-width: 32px; max-height: 32px; }
}

.nav-logo .logo-accent {
  color: var(--color-accent-light);
}

.navbar.scrolled .nav-logo .logo-accent {
  color: var(--color-accent-dark);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  padding: var(--space-xs) 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent-light);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

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

.nav-links a:hover {
  color: #fff;
}

.navbar.scrolled .nav-links a {
  color: var(--color-text-muted);
}

.navbar.scrolled .nav-links a:hover,
.navbar.scrolled .nav-links a.active {
  color: var(--color-primary);
}

.navbar.scrolled .nav-links a::after {
  background: var(--color-primary);
}

.nav-cta {
  padding: 10px 24px !important;
  background: var(--gradient-cta) !important;
  color: #fff !important;
  border-radius: var(--radius-full) !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 15px rgba(45, 106, 79, 0.3);
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(45, 106, 79, 0.4) !important;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
}

.nav-hamburger span {
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.navbar.scrolled .nav-hamburger span {
  background: var(--color-primary-dark);
}

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

.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

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

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

.hero-bg 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(8, 28, 21, 0.85) 0%,
    rgba(27, 67, 50, 0.75) 40%,
    rgba(45, 106, 79, 0.65) 100%
  );
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-3xl);
  padding-top: var(--space-4xl);
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  color: var(--color-accent-light);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.5s ease-out 0.1s both;
}

.hero-badge .badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent-light);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.7; }
}

.hero h1 {
  font-size: 3.8rem;
  color: #fff;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.5s ease-out 0.2s both;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-2xl);
  line-height: 1.8;
  animation: fadeInUp 0.5s ease-out 0.3s both;
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.5s ease-out 0.4s both;
}

.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  animation: fadeInUp 0.5s ease-out 0.5s both;
}

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

.hero-stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent-light);
}

.hero-stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 2px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 0.5s ease-out 0.3s both;
}

.hero-image-wrapper {
  position: relative;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 80px rgba(82, 183, 136, 0.15);
}

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

.hero-float-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-lg);
  animation: float 3s ease-in-out infinite;
}

.hero-float-card.card-1 {
  top: 10%;
  right: -20px;
  animation-delay: 0s;
}

.hero-float-card.card-2 {
  bottom: 15%;
  left: -30px;
  animation-delay: 1.5s;
}

.float-card-icon {
  font-size: 1.5rem;
  margin-bottom: 4px;
}

.float-card-text {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary-dark);
}

.float-card-sub {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ===== FEATURES SECTION ===== */
.features {
  padding: var(--space-4xl) 0;
  background: var(--color-bg-alt);
  position: relative;
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.feature-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

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

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

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

.feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--space-lg);
  background: var(--gradient-card);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
  background: var(--gradient-cta);
  transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== PRODUCTS SECTION ===== */
.products {
  padding: var(--space-4xl) 0;
}

.products-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.filter-btn {
  padding: 10px 24px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--color-primary-lighter);
  color: var(--color-primary);
}

.filter-btn.active {
  background: var(--gradient-cta);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 15px rgba(45, 106, 79, 0.3);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.product-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  position: relative;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.product-image {
  position: relative;
  height: 260px;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-image img {
  transform: scale(1.08);
}

.product-badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  padding: 5px 14px;
  background: var(--gradient-accent);
  color: var(--color-primary-darker);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.5));
  padding: var(--space-xl) var(--space-md) var(--space-md);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.product-overlay-btn {
  width: 100%;
  padding: 10px;
  background: rgba(255, 255, 255, 0.95);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.product-overlay-btn:hover {
  background: #fff;
  transform: translateY(-2px);
}

.product-info {
  padding: var(--space-lg);
}

.product-category {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary-lighter);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-xs);
}

.product-name {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.product-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-price {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 2px;
  color: var(--color-accent);
  font-size: 0.85rem;
}

.product-rating span {
  color: var(--color-text-muted);
  margin-left: 4px;
  font-size: 0.8rem;
}

/* ===== ABOUT SECTION ===== */
.about {
  padding: var(--space-4xl) 0;
  background: var(--color-bg-alt);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about-images {
  position: relative;
  height: 500px;
}

.about-img-main {
  position: absolute;
  top: 0;
  left: 0;
  width: 70%;
  height: 80%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-img-secondary {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 55%;
  height: 55%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 5px solid var(--color-bg-alt);
  box-shadow: var(--shadow-lg);
}

.about-img-secondary img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-experience-badge {
  position: absolute;
  top: 50%;
  left: 55%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  background: var(--gradient-cta);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--color-bg-alt);
  z-index: 2;
}

.about-experience-badge .exp-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.about-experience-badge .exp-text {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.85);
  text-align: center;
  line-height: 1.2;
}

.about-content h2 {
  font-size: 2.5rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-lg);
}

.about-content h2 .highlight {
  color: var(--color-primary-lighter);
}

.about-content > p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: var(--space-xl);
  line-height: 1.8;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.about-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.about-feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--gradient-card);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.about-feature-text h4 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 2px;
}

.about-feature-text p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
  padding: var(--space-4xl) 0;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.testimonials::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: rgba(233, 196, 106, 0.08);
  border-radius: 50%;
}

.testimonials .section-header h2 {
  color: #fff;
}

.testimonials .section-header h2::after {
  background: var(--gradient-accent);
}

.testimonials .section-header p {
  color: rgba(255, 255, 255, 0.7);
}

.testimonials-slider {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-5px);
}

.testimonial-stars {
  color: var(--color-accent-light);
  font-size: 1rem;
  margin-bottom: var(--space-md);
}

.testimonial-text {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
  font-style: italic;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary-darker);
}

.testimonial-name {
  font-weight: 700;
  color: #fff;
  font-size: 1rem;
}

.testimonial-role {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ===== CTA SECTION ===== */
.cta-section {
  padding: var(--space-4xl) 0;
  text-align: center;
}

.cta-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-4xl);
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(82, 183, 136, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-card::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -5%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(221, 161, 94, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-card h2 {
  font-size: 2.5rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 1;
}

.cta-card p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto var(--space-xl);
  position: relative;
  z-index: 1;
}

.cta-card .btn {
  position: relative;
  z-index: 1;
}

/* ===== CONTACT SECTION ===== */
.contact {
  padding: var(--space-4xl) 0;
  background: var(--color-bg-alt);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.contact-info-item:hover {
  border-color: var(--color-primary-lighter);
  box-shadow: var(--shadow-md);
  transform: translateX(5px);
}

.contact-icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  background: var(--gradient-cta);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.contact-info-item h4 {
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
  font-size: 1rem;
}

.contact-info-item p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.contact-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.social-link {
  width: 48px;
  height: 48px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--gradient-cta);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.contact-form-wrapper {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.contact-form-wrapper h3 {
  font-size: 1.5rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-xl);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary-lighter);
  box-shadow: 0 0 0 4px rgba(82, 183, 136, 0.1);
}

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

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--gradient-cta);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(45, 106, 79, 0.4);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-primary-darker);
  padding: var(--space-3xl) 0 var(--space-lg);
  color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand .nav-logo {
  margin-bottom: var(--space-md);
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.footer-col h4 {
  font-family: var(--font-body);
  font-weight: 700;
  color: #fff;
  font-size: 1rem;
  margin-bottom: var(--space-lg);
}

.footer-col ul li {
  margin-bottom: var(--space-sm);
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--color-accent-light);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-xl);
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.5);
}

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

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--gradient-cta);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 1.3rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.back-to-top:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(45, 106, 79, 0.5);
}

/* ===== ZALO FLOAT & BUTTON ===== */
.btn-zalo {
  background: #0068ff;
  color: #fff;
  box-shadow: 0 4px 15px rgba(0, 104, 255, 0.35);
}

.btn-zalo:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 104, 255, 0.45);
  color: #fff;
}

.zalo-float {
  position: fixed;
  bottom: 24px;
  left: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #0068ff;
  color: #fff;
  padding: 10px 18px 10px 12px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 1500;
  box-shadow: 0 6px 20px rgba(0, 104, 255, 0.4);
  transition: all var(--transition-base);
}

.zalo-float:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 10px 28px rgba(0, 104, 255, 0.5);
  color: #fff;
}

.zalo-float-icon {
  background: #fff;
  color: #0068ff;
  font-weight: 800;
  font-size: 0.72rem;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  animation: zalo-pulse 2s ease-in-out infinite;
}

@keyframes zalo-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.6); }
  50% { box-shadow: 0 0 0 7px rgba(255, 255, 255, 0); }
}

@media (max-width: 768px) {
  .zalo-float { bottom: 18px; left: 16px; padding: 8px 14px 8px 10px; font-size: 0.85rem; }
}

/* ===== SCROLL REVEAL ANIMATION ===== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.35s ease-out, transform 0.35s ease-out;
}

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

.reveal-delay-1 { transition-delay: 0.05s; }
.reveal-delay-2 { transition-delay: 0.1s; }
.reveal-delay-3 { transition-delay: 0.15s; }
.reveal-delay-4 { transition-delay: 0.2s; }

/* Tôn trọng cài đặt giảm chuyển động + hiện ngay nội dung nếu JS lỗi */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

  .hero h1 {
    font-size: 3rem;
  }

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

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

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

  .about-images {
    height: 400px;
  }

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

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

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

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 350px;
    height: 100vh;
    background: var(--color-primary-dark);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px var(--space-2xl) var(--space-2xl);
    gap: var(--space-lg);
    transition: right var(--transition-base);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
  }

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

  .nav-links a {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.1rem;
  }

  .nav-hamburger {
    display: flex;
  }

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

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

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

  .hero-stats {
    flex-wrap: wrap;
    gap: var(--space-xl);
  }

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

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

  .testimonials-slider {
    grid-template-columns: 1fr;
  }

  .about-images {
    height: 300px;
  }

  .section-header h2 {
    font-size: 2rem;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .cta-card {
    padding: var(--space-2xl);
  }

  .cta-card h2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 480px) {