/* ============================================
   电脑租赁网站 - 主样式表
   配色：明黄 + 纯白 + 科技蓝
   ============================================ */

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

:root {
  --color-primary: #FFD700;
  --color-primary-dark: #FFC107;
  --color-primary-deep: #FFA000;
  --color-blue-1: #4FC3F7;
  --color-blue-2: #29B6F6;
  --color-blue-deep: #0288D1;
  --color-dark: #1a1a2e;
  --color-darker: #0f0f1a;
  --color-gray: #f5f5f7;
  --color-gray-mid: #e0e0e0;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-muted: #999999;
  --color-white: #ffffff;
  --color-success: #4CAF50;
  --color-danger: #f44336;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  --shadow-yellow: 0 4px 20px rgba(255, 193, 7, 0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --nav-height: 64px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 20px);
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

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

ul {
  list-style: none;
}

/* ===== Container ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-inner {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 800;
  color: var(--color-dark);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-dark);
  font-size: 20px;
  box-shadow: var(--shadow-yellow);
}

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

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  transition: var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary-dark);
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--color-primary-deep);
}

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

.nav-cta {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-dark) !important;
  padding: 8px 24px;
  border-radius: 30px;
  font-weight: 700;
  box-shadow: var(--shadow-yellow);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(255, 193, 7, 0.4);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: var(--transition);
}

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

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

.nav-toggle.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;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.08), transparent 70%);
  border-radius: 50%;
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(41, 182, 246, 0.06), transparent 70%);
  border-radius: 50%;
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.3;
  animation: float-particle linear infinite;
}

@keyframes float-particle {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 0.3;
  }
  90% {
    opacity: 0.3;
  }
  100% {
    transform: translateY(-10vh) scale(1);
    opacity: 0;
  }
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-content {
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.15), rgba(255, 193, 7, 0.1));
  border: 1px solid rgba(255, 193, 7, 0.3);
  color: var(--color-primary-deep);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease both;
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  font-size: 56px;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 16px;
  letter-spacing: -1px;
  animation: fadeInUp 0.6s ease 0.1s both;
}

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

.hero-subtitle {
  font-size: 18px;
  color: var(--color-text-light);
  margin-bottom: 32px;
  line-height: 1.8;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  animation: fadeInUp 0.6s ease 0.3s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 36px;
  border-radius: 30px;
  font-size: 16px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-dark);
  box-shadow: var(--shadow-yellow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 193, 7, 0.45);
}

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

.btn-outline:hover {
  border-color: var(--color-primary-dark);
  color: var(--color-primary-deep);
  background: rgba(255, 215, 0, 0.05);
}

.btn-blue {
  background: linear-gradient(135deg, var(--color-blue-1), var(--color-blue-2));
  color: white;
  box-shadow: 0 4px 20px rgba(41, 182, 246, 0.3);
}

.btn-blue:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(41, 182, 246, 0.4);
}

.hero-stats {
  display: flex;
  gap: 40px;
  animation: fadeInUp 0.6s ease 0.4s both;
}

.stat-item .num {
  font-size: 36px;
  font-weight: 900;
  color: var(--color-dark);
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.stat-item .num span {
  font-size: 16px;
  color: var(--color-primary-deep);
}

.stat-item .label {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  animation: fadeInRight 0.8s ease 0.3s both;
}

.hero-card {
  background: linear-gradient(145deg, var(--color-dark), var(--color-darker));
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 215, 0, 0.2);
}

.hero-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.1), transparent);
  border-radius: 50%;
}

.hero-card-glow {
  position: absolute;
  bottom: -30px;
  left: -30px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(41, 182, 246, 0.1), transparent);
  border-radius: 50%;
}

.hero-card-content {
  position: relative;
  z-index: 1;
}

.hero-card-title {
  color: var(--color-primary);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

.hero-card-sub {
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
  margin-bottom: 24px;
}

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.spec-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 215, 0, 0.15);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  transition: var(--transition);
}

.spec-item:hover {
  border-color: var(--color-primary);
  background: rgba(255, 215, 0, 0.06);
  transform: translateY(-2px);
}

.spec-item .spec-label {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.spec-item .spec-value {
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
}

.hero-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-card-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.hero-card-price .currency {
  font-size: 16px;
  color: var(--color-primary);
  font-weight: 600;
}

.hero-card-price .amount {
  font-size: 32px;
  color: var(--color-primary);
  font-weight: 900;
}

.hero-card-tag {
  background: rgba(255, 215, 0, 0.15);
  color: var(--color-primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

@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);
  }
}

/* ===== Section Common ===== */
.section {
  padding: 100px 0;
  position: relative;
}

.section-gray {
  background: var(--color-gray);
}

.section-dark {
  background: var(--color-dark);
  color: white;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  background: rgba(255, 193, 7, 0.12);
  color: var(--color-primary-deep);
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}

.section-title {
  font-size: 40px;
  font-weight: 900;
  color: var(--color-dark);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-dark .section-title {
  color: white;
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

.section-dark .section-desc {
  color: rgba(255, 255, 255, 0.6);
}

/* ===== Products Section ===== */
.products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.product-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid rgba(0, 0, 0, 0.04);
}

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

.product-header {
  padding: 28px 28px 20px;
  position: relative;
}

.product-header.premium {
  background: linear-gradient(135deg, var(--color-dark), #2a2a3e);
  color: white;
}

.product-header.budget {
  background: linear-gradient(135deg, var(--color-blue-1), var(--color-blue-2));
  color: white;
}

.product-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 12px;
}

.product-tag.premium {
  background: var(--color-primary);
  color: var(--color-dark);
}

.product-tag.budget {
  background: rgba(255, 255, 255, 0.25);
  color: white;
}

.product-name {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 6px;
}

.product-subtitle {
  font-size: 14px;
  opacity: 0.7;
  margin-bottom: 16px;
}

.product-price-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.product-price-label {
  font-size: 13px;
  opacity: 0.6;
}

.product-price {
  font-size: 36px;
  font-weight: 900;
}

.product-price .unit {
  font-size: 14px;
  opacity: 0.6;
  font-weight: 400;
}

/* Product Specs - Black with Yellow Border */
.product-specs {
  background: #111118;
  padding: 24px 28px;
  border-top: 2px solid var(--color-primary);
  border-bottom: 2px solid rgba(255, 215, 0, 0.2);
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.spec-row:last-child {
  border-bottom: none;
}

.spec-row .spec-key {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.spec-row .spec-val {
  font-size: 14px;
  color: var(--color-primary);
  font-weight: 600;
}

.product-desc {
  padding: 20px 28px;
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.product-features {
  padding: 0 28px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feature-chip {
  background: rgba(255, 193, 7, 0.1);
  color: var(--color-primary-deep);
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 600;
}

.product-footer {
  padding: 20px 28px 28px;
  display: flex;
  gap: 12px;
}

.product-footer .btn {
  flex: 1;
  padding: 12px 20px;
  font-size: 14px;
}

/* ===== Features Section ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-box {
  background: white;
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border-top: 3px solid transparent;
}

.feature-box:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-top-color: var(--color-primary);
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 28px;
}

.feature-icon.yellow {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-dark);
}

.feature-icon.blue {
  background: linear-gradient(135deg, var(--color-blue-1), var(--color-blue-2));
  color: white;
}

.feature-icon.dark {
  background: linear-gradient(135deg, var(--color-dark), var(--color-darker));
  color: var(--color-primary);
}

.feature-icon.green {
  background: linear-gradient(135deg, #66BB6A, #4CAF50);
  color: white;
}

.feature-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.feature-text {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== Trust Section (Dark) ===== */
.trust-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.trust-left h3 {
  font-size: 32px;
  font-weight: 800;
  color: white;
  margin-bottom: 16px;
}

.trust-left p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
  margin-bottom: 24px;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 12px 20px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  font-weight: 600;
}

.trust-badge .icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-dark);
  font-size: 16px;
  flex-shrink: 0;
}

.trust-right {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.trust-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}

.trust-card:hover {
  background: rgba(255, 215, 0, 0.06);
  border-color: rgba(255, 215, 0, 0.2);
}

.trust-card .big-num {
  font-size: 36px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.trust-card .desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 4px;
}

/* ===== Form Section ===== */
.form-section {
  background: linear-gradient(180deg, var(--color-gray) 0%, white 100%);
}

.form-wrapper {
  max-width: 640px;
  margin: 0 auto;
  background: white;
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.form-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark), var(--color-blue-1), var(--color-blue-2));
}

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

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.form-label .required {
  color: var(--color-danger);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--color-gray-mid);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  transition: var(--transition);
  background: var(--color-gray);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary-dark);
  background: white;
  box-shadow: 0 0 0 4px rgba(255, 193, 7, 0.1);
}

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

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

.form-submit {
  width: 100%;
  padding: 16px;
  font-size: 16px;
  margin-top: 8px;
}

.form-hint {
  text-align: center;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 16px;
}

/* ===== Contact Layout (Form + QR) ===== */
.contact-layout {
  display: flex;
  justify-content: center;
  max-width: 960px;
  margin: 0 auto;
}

.contact-layout .form-wrapper {
  max-width: none;
  margin: 0;
}

.contact-qr {
  display: flex;
  align-items: center;
}

.contact-qr-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.contact-qr-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-blue-1), var(--color-blue-2));
}

.contact-qr-img {
  width: 200px;
  height: 200px;
  margin: 0 auto 20px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 3px solid var(--color-primary);
  box-shadow: var(--shadow-yellow);
}

.contact-qr-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-qr-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.contact-qr-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.contact-qr-note {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 16px;
  border-top: 1px dashed var(--color-gray-mid);
}

.contact-qr-note span {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 600;
}

/* Toast */
.toast {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: 9999;
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-lg);
  transform: translateX(120%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast.show {
  transform: translateX(0);
}

.toast.success {
  background: var(--color-success);
  color: white;
}

.toast.error {
  background: var(--color-danger);
  color: white;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-darker);
  color: rgba(255, 255, 255, 0.6);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  color: white;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 8px;
}

.footer-col h4 {
  color: white;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 14px;
  transition: var(--transition);
}

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

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

.footer-qr .qr-box {
  width: 120px;
  height: 120px;
  background: white;
  border-radius: var(--radius-sm);
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.footer-qr p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

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

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

/* ===== Admin Pages ===== */
.admin-body {
  background: var(--color-gray);
  min-height: 100vh;
}

.admin-header {
  background: var(--color-dark);
  color: white;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.admin-header .logo {
  color: white;
  font-size: 18px;
}

.admin-header .admin-nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.admin-header .admin-nav a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  transition: var(--transition);
}

.admin-header .admin-nav a:hover,
.admin-header .admin-nav a.active {
  color: var(--color-primary);
}

.admin-container {
  max-width: 1100px;
  margin: 24px auto;
  padding: 0 24px;
}

.admin-card {
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 24px;
}

.admin-card-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--color-gray);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-card-header h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-dark);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th {
  background: var(--color-gray);
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-light);
  white-space: nowrap;
}

.admin-table td {
  padding: 12px 16px;
  border-top: 1px solid var(--color-gray);
  font-size: 14px;
}

.admin-table tr:hover td {
  background: rgba(255, 215, 0, 0.03);
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.badge-pending {
  background: #FFF3E0;
  color: #FF9800;
}

.badge-done {
  background: #E8F5E9;
  color: #4CAF50;
}

.admin-btn {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.admin-btn-primary {
  background: var(--color-primary-dark);
  color: var(--color-dark);
}

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

.admin-btn-danger {
  background: var(--color-danger);
  color: white;
}

.admin-btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.admin-login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-dark), var(--color-darker));
}

.admin-login-box {
  background: white;
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 360px;
  box-shadow: var(--shadow-lg);
}

.admin-login-box h1 {
  text-align: center;
  font-size: 22px;
  margin-bottom: 8px;
  color: var(--color-dark);
}

.admin-login-box .subtitle {
  text-align: center;
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.admin-login-box .logo-icon {
  margin: 0 auto 16px;
}

.admin-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.admin-stat {
  background: white;
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.admin-stat .label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.admin-stat .value {
  font-size: 28px;
  font-weight: 900;
  color: var(--color-dark);
}

.admin-stat .value.yellow {
  color: var(--color-primary-deep);
}

.admin-stat .value.blue {
  color: var(--color-blue-deep);
}

.admin-stat .value.green {
  color: var(--color-success);
}

.admin-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-muted);
}

.admin-empty .icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.form-field-error {
  color: var(--color-danger);
  font-size: 13px;
  margin-top: 4px;
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero h1 {
    font-size: 40px;
  }

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

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

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

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

@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    padding: 16px;
    gap: 16px;
    box-shadow: var(--shadow-md);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: calc(var(--nav-height) + 40px) 0 60px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-stats {
    gap: 24px;
  }

  .stat-item .num {
    font-size: 28px;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 28px;
  }

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

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

  .form-wrapper {
    padding: 28px 20px;
  }

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

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

  .footer-qr .qr-box {
    margin: 0 auto;
  }

  .admin-stat-grid {
    grid-template-columns: 1fr;
  }

  .admin-table {
    font-size: 12px;
  }

  .admin-table th,
  .admin-table td {
    padding: 8px;
  }
}